Home / 732,672,001.20-1,099,008,001.80-442,434,356.40

Finding the Fourth Proportional to 732,672,001.20, 1,099,008,001.80 and 442,434,356.40

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Solution

The fourth proportional to 732,672,001.20, 1,099,008,001.80 and 442,434,356.40 is: 663,651,534.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    732,672,001.20 : 1,099,008,001.80 = 442,434,356.40 : x
  2. Step 2: Convert to fraction form
    732,672,001.20/1,099,008,001.80 = 442,434,356.40/x
  3. Step 3: Cross multiply
    732,672,001.20x = 1,099,008,001.80 × 442,434,356.40
  4. Step 4: Simplify right side
    732,672,001.20x = 486,238,897,954,833,024
  5. Step 5: Solve for x
    x = 486,238,897,954,833,024/732,672,001.20
  6. Step 6: Final answer
    x = 663,651,534.60

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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.