Home / 681,129,000.30-1,021,693,500.45-336,755,232.30

Finding the Fourth Proportional to 681,129,000.30, 1,021,693,500.45 and 336,755,232.30

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Solution

The fourth proportional to 681,129,000.30, 1,021,693,500.45 and 336,755,232.30 is: 505,132,848.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,129,000.30 : 1,021,693,500.45 = 336,755,232.30 : x
  2. Step 2: Convert to fraction form
    681,129,000.30/1,021,693,500.45 = 336,755,232.30/x
  3. Step 3: Cross multiply
    681,129,000.30x = 1,021,693,500.45 × 336,755,232.30
  4. Step 4: Simplify right side
    681,129,000.30x = 344,060,632,083,439,936
  5. Step 5: Solve for x
    x = 344,060,632,083,439,936/681,129,000.30
  6. Step 6: Final answer
    x = 505,132,848.45

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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.