Home / 484,804,986,010.30-668,919,916,202-289,450,316,411.85

Finding the Fourth Proportional to 484,804,986,010.30, 668,919,916,202 and 289,450,316,411.85

Calculator

Solution

The fourth proportional to 484,804,986,010.30, 668,919,916,202 and 289,450,316,411.85 is: 399,375,185,870.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,804,986,010.30 : 668,919,916,202 = 289,450,316,411.85 : x
  2. Step 2: Convert to fraction form
    484,804,986,010.30/668,919,916,202 = 289,450,316,411.85/x
  3. Step 3: Cross multiply
    484,804,986,010.30x = 668,919,916,202 × 289,450,316,411.85
  4. Step 4: Simplify right side
    484,804,986,010.30x = 193,619,081,398,857,066,610,688
  5. Step 5: Solve for x
    x = 193,619,081,398,857,066,610,688/484,804,986,010.30
  6. Step 6: Final answer
    x = 399,375,185,870.60

Related Problems

Find fourth proportional to 242,402,493,005.15, 334,459,958,101 and 144,725,158,205.93
Half scale
Find fourth proportional to 969,609,972,020.60, 1,337,839,832,404 and 578,900,632,823.70
Double scale
Find fourth proportional to 484,804,986,011.30, 668,919,916,203.38 and 289,450,316,412.85
Similar ratio
Find fourth proportional to 727,207,479,015.45, 1,003,379,874,303 and 434,175,474,617.78
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.