Home / 522,702,480.43-721,307,327.29-284,542,707.52

Finding the Fourth Proportional to 522,702,480.43, 721,307,327.29 and 284,542,707.52

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Solution

The fourth proportional to 522,702,480.43, 721,307,327.29 and 284,542,707.52 is: 392,656,908.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,702,480.43 : 721,307,327.29 = 284,542,707.52 : x
  2. Step 2: Convert to fraction form
    522,702,480.43/721,307,327.29 = 284,542,707.52/x
  3. Step 3: Cross multiply
    522,702,480.43x = 721,307,327.29 × 284,542,707.52
  4. Step 4: Simplify right side
    522,702,480.43x = 205,242,739,861,111,360
  5. Step 5: Solve for x
    x = 205,242,739,861,111,360/522,702,480.43
  6. Step 6: Final answer
    x = 392,656,908.18

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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.