Home / 626,229,151.78-938,929,104.78-298,755,207.58

Finding the Fourth Proportional to 626,229,151.78, 938,929,104.78 and 298,755,207.58

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Solution

The fourth proportional to 626,229,151.78, 938,929,104.78 and 298,755,207.58 is: 447,935,007.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,229,151.78 : 938,929,104.78 = 298,755,207.58 : x
  2. Step 2: Convert to fraction form
    626,229,151.78/938,929,104.78 = 298,755,207.58/x
  3. Step 3: Cross multiply
    626,229,151.78x = 938,929,104.78 × 298,755,207.58
  4. Step 4: Simplify right side
    626,229,151.78x = 280,509,959,601,452,448
  5. Step 5: Solve for x
    x = 280,509,959,601,452,448/626,229,151.78
  6. Step 6: Final answer
    x = 447,935,007.18

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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.