Home / 658,940,011.97-909,334,721.08-361,587,229.22

Finding the Fourth Proportional to 658,940,011.97, 909,334,721.08 and 361,587,229.22

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Solution

The fourth proportional to 658,940,011.97, 909,334,721.08 and 361,587,229.22 is: 498,989,006.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,940,011.97 : 909,334,721.08 = 361,587,229.22 : x
  2. Step 2: Convert to fraction form
    658,940,011.97/909,334,721.08 = 361,587,229.22/x
  3. Step 3: Cross multiply
    658,940,011.97x = 909,334,721.08 × 361,587,229.22
  4. Step 4: Simplify right side
    658,940,011.97x = 328,803,822,231,584,064
  5. Step 5: Solve for x
    x = 328,803,822,231,584,064/658,940,011.97
  6. Step 6: Final answer
    x = 498,989,006.98

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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.