Home / 1,120,337,115.46-1,546,067,358.75-618,546,869.98

Finding the Fourth Proportional to 1,120,337,115.46, 1,546,067,358.75 and 618,546,869.98

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Solution

The fourth proportional to 1,120,337,115.46, 1,546,067,358.75 and 618,546,869.98 is: 853,595,861.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,337,115.46 : 1,546,067,358.75 = 618,546,869.98 : x
  2. Step 2: Convert to fraction form
    1,120,337,115.46/1,546,067,358.75 = 618,546,869.98/x
  3. Step 3: Cross multiply
    1,120,337,115.46x = 1,546,067,358.75 × 618,546,869.98
  4. Step 4: Simplify right side
    1,120,337,115.46x = 956,315,125,533,058,304
  5. Step 5: Solve for x
    x = 956,315,125,533,058,304/1,120,337,115.46
  6. Step 6: Final answer
    x = 853,595,861.76

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Double scale
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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.