Home / 854,650,356.70-1,283,319,227.85-491,853,300.70

Finding the Fourth Proportional to 854,650,356.70, 1,283,319,227.85 and 491,853,300.70

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Solution

The fourth proportional to 854,650,356.70, 1,283,319,227.85 and 491,853,300.70 is: 738,553,249.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,650,356.70 : 1,283,319,227.85 = 491,853,300.70 : x
  2. Step 2: Convert to fraction form
    854,650,356.70/1,283,319,227.85 = 491,853,300.70/x
  3. Step 3: Cross multiply
    854,650,356.70x = 1,283,319,227.85 × 491,853,300.70
  4. Step 4: Simplify right side
    854,650,356.70x = 631,204,798,069,797,760
  5. Step 5: Solve for x
    x = 631,204,798,069,797,760/854,650,356.70
  6. Step 6: Final answer
    x = 738,553,249.43

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Double scale
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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.