Home / 666,747,712.30-1,000,121,568.45-629,334,265.90

Finding the Fourth Proportional to 666,747,712.30, 1,000,121,568.45 and 629,334,265.90

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Solution

The fourth proportional to 666,747,712.30, 1,000,121,568.45 and 629,334,265.90 is: 944,001,398.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,747,712.30 : 1,000,121,568.45 = 629,334,265.90 : x
  2. Step 2: Convert to fraction form
    666,747,712.30/1,000,121,568.45 = 629,334,265.90/x
  3. Step 3: Cross multiply
    666,747,712.30x = 1,000,121,568.45 × 629,334,265.90
  4. Step 4: Simplify right side
    666,747,712.30x = 629,410,773,091,237,376
  5. Step 5: Solve for x
    x = 629,410,773,091,237,376/666,747,712.30
  6. Step 6: Final answer
    x = 944,001,398.85

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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.