Home / 1,158,505,720.20-1,737,842,561.10-697,451,128.20

Finding the Fourth Proportional to 1,158,505,720.20, 1,737,842,561.10 and 697,451,128.20

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Solution

The fourth proportional to 1,158,505,720.20, 1,737,842,561.10 and 697,451,128.20 is: 1,046,227,250.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,505,720.20 : 1,737,842,561.10 = 697,451,128.20 : x
  2. Step 2: Convert to fraction form
    1,158,505,720.20/1,737,842,561.10 = 697,451,128.20/x
  3. Step 3: Cross multiply
    1,158,505,720.20x = 1,737,842,561.10 × 697,451,128.20
  4. Step 4: Simplify right side
    1,158,505,720.20x = 1,212,060,254,873,172,480
  5. Step 5: Solve for x
    x = 1,212,060,254,873,172,480/1,158,505,720.20
  6. Step 6: Final answer
    x = 1,046,227,250.97

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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.