Home / 1,272,741,084.59-1,755,387,683.19-826,848,113.73

Finding the Fourth Proportional to 1,272,741,084.59, 1,755,387,683.19 and 826,848,113.73

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Solution

The fourth proportional to 1,272,741,084.59, 1,755,387,683.19 and 826,848,113.73 is: 1,140,403,977.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,741,084.59 : 1,755,387,683.19 = 826,848,113.73 : x
  2. Step 2: Convert to fraction form
    1,272,741,084.59/1,755,387,683.19 = 826,848,113.73/x
  3. Step 3: Cross multiply
    1,272,741,084.59x = 1,755,387,683.19 × 826,848,113.73
  4. Step 4: Simplify right side
    1,272,741,084.59x = 1,451,438,994,717,376,256
  5. Step 5: Solve for x
    x = 1,451,438,994,717,376,256/1,272,741,084.59
  6. Step 6: Final answer
    x = 1,140,403,977.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.