Home / 472,614,005.57-651,601,028.12-387,527,641.20

Finding the Fourth Proportional to 472,614,005.57, 651,601,028.12 and 387,527,641.20

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Solution

The fourth proportional to 472,614,005.57, 651,601,028.12 and 387,527,641.20 is: 534,290,999.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,614,005.57 : 651,601,028.12 = 387,527,641.20 : x
  2. Step 2: Convert to fraction form
    472,614,005.57/651,601,028.12 = 387,527,641.20/x
  3. Step 3: Cross multiply
    472,614,005.57x = 651,601,028.12 × 387,527,641.20
  4. Step 4: Simplify right side
    472,614,005.57x = 252,513,409,428,900,832
  5. Step 5: Solve for x
    x = 252,513,409,428,900,832/472,614,005.57
  6. Step 6: Final answer
    x = 534,290,999.54

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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.