Home / 681,129,001.80-1,021,693,502.70-336,755,233.80

Finding the Fourth Proportional to 681,129,001.80, 1,021,693,502.70 and 336,755,233.80

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Solution

The fourth proportional to 681,129,001.80, 1,021,693,502.70 and 336,755,233.80 is: 505,132,850.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,129,001.80 : 1,021,693,502.70 = 336,755,233.80 : x
  2. Step 2: Convert to fraction form
    681,129,001.80/1,021,693,502.70 = 336,755,233.80/x
  3. Step 3: Cross multiply
    681,129,001.80x = 1,021,693,502.70 × 336,755,233.80
  4. Step 4: Simplify right side
    681,129,001.80x = 344,060,634,373,679,488
  5. Step 5: Solve for x
    x = 344,060,634,373,679,488/681,129,001.80
  6. Step 6: Final answer
    x = 505,132,850.70

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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.