Home / 727,585,988.80-1,091,388,314.40-242,911,796.80

Finding the Fourth Proportional to 727,585,988.80, 1,091,388,314.40 and 242,911,796.80

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Solution

The fourth proportional to 727,585,988.80, 1,091,388,314.40 and 242,911,796.80 is: 364,370,810.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,585,988.80 : 1,091,388,314.40 = 242,911,796.80 : x
  2. Step 2: Convert to fraction form
    727,585,988.80/1,091,388,314.40 = 242,911,796.80/x
  3. Step 3: Cross multiply
    727,585,988.80x = 1,091,388,314.40 × 242,911,796.80
  4. Step 4: Simplify right side
    727,585,988.80x = 265,111,096,457,427,360
  5. Step 5: Solve for x
    x = 265,111,096,457,427,360/727,585,988.80
  6. Step 6: Final answer
    x = 364,370,810.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.