Home / 816,507,008.20-1,224,760,512.30-732,326,753.80

Finding the Fourth Proportional to 816,507,008.20, 1,224,760,512.30 and 732,326,753.80

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Solution

The fourth proportional to 816,507,008.20, 1,224,760,512.30 and 732,326,753.80 is: 1,098,490,130.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,507,008.20 : 1,224,760,512.30 = 732,326,753.80 : x
  2. Step 2: Convert to fraction form
    816,507,008.20/1,224,760,512.30 = 732,326,753.80/x
  3. Step 3: Cross multiply
    816,507,008.20x = 1,224,760,512.30 × 732,326,753.80
  4. Step 4: Simplify right side
    816,507,008.20x = 896,924,890,155,083,904
  5. Step 5: Solve for x
    x = 896,924,890,155,083,904/816,507,008.20
  6. Step 6: Final answer
    x = 1,098,490,130.70

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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.