Home / 714,067,685.92-1,070,612,545.20-363,635,416.48

Finding the Fourth Proportional to 714,067,685.92, 1,070,612,545.20 and 363,635,416.48

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Solution

The fourth proportional to 714,067,685.92, 1,070,612,545.20 and 363,635,416.48 is: 545,204,112.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,067,685.92 : 1,070,612,545.20 = 363,635,416.48 : x
  2. Step 2: Convert to fraction form
    714,067,685.92/1,070,612,545.20 = 363,635,416.48/x
  3. Step 3: Cross multiply
    714,067,685.92x = 1,070,612,545.20 × 363,635,416.48
  4. Step 4: Simplify right side
    714,067,685.92x = 389,312,638,762,514,880
  5. Step 5: Solve for x
    x = 389,312,638,762,514,880/714,067,685.92
  6. Step 6: Final answer
    x = 545,204,112.21

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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.