Home / 1,280,888,192,009.60-1,921,323,965,626.70-325,818,628,570.58

Finding the Fourth Proportional to 1,280,888,192,009.60, 1,921,323,965,626.70 and 325,818,628,570.58

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Solution

The fourth proportional to 1,280,888,192,009.60, 1,921,323,965,626.70 and 325,818,628,570.58 is: 488,725,825,895.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,888,192,009.60 : 1,921,323,965,626.70 = 325,818,628,570.58 : x
  2. Step 2: Convert to fraction form
    1,280,888,192,009.60/1,921,323,965,626.70 = 325,818,628,570.58/x
  3. Step 3: Cross multiply
    1,280,888,192,009.60x = 1,921,323,965,626.70 × 325,818,628,570.58
  4. Step 4: Simplify right side
    1,280,888,192,009.60x = 626,003,139,520,279,567,400,960
  5. Step 5: Solve for x
    x = 626,003,139,520,279,567,400,960/1,280,888,192,009.60
  6. Step 6: Final answer
    x = 488,725,825,895.96

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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.