Home / 865,759,296.72-1,194,715,809.66-469,273,773.54

Finding the Fourth Proportional to 865,759,296.72, 1,194,715,809.66 and 469,273,773.54

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Solution

The fourth proportional to 865,759,296.72, 1,194,715,809.66 and 469,273,773.54 is: 647,580,451.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,759,296.72 : 1,194,715,809.66 = 469,273,773.54 : x
  2. Step 2: Convert to fraction form
    865,759,296.72/1,194,715,809.66 = 469,273,773.54/x
  3. Step 3: Cross multiply
    865,759,296.72x = 1,194,715,809.66 × 469,273,773.54
  4. Step 4: Simplify right side
    865,759,296.72x = 560,648,796,307,044,672
  5. Step 5: Solve for x
    x = 560,648,796,307,044,672/865,759,296.72
  6. Step 6: Final answer
    x = 647,580,451.55

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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.