Home / 508,374,929.28-701,501,263.92-285,305,448

Finding the Fourth Proportional to 508,374,929.28, 701,501,263.92 and 285,305,448

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Solution

The fourth proportional to 508,374,929.28, 701,501,263.92 and 285,305,448 is: 393,690,012.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,374,929.28 : 701,501,263.92 = 285,305,448 : x
  2. Step 2: Convert to fraction form
    508,374,929.28/701,501,263.92 = 285,305,448/x
  3. Step 3: Cross multiply
    508,374,929.28x = 701,501,263.92 × 285,305,448
  4. Step 4: Simplify right side
    508,374,929.28x = 200,142,132,375,261,824
  5. Step 5: Solve for x
    x = 200,142,132,375,261,824/508,374,929.28
  6. Step 6: Final answer
    x = 393,690,012.72

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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.