Home / 1,304,814,905.70-1,957,222,358.55-724,339,616.10

Finding the Fourth Proportional to 1,304,814,905.70, 1,957,222,358.55 and 724,339,616.10

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Solution

The fourth proportional to 1,304,814,905.70, 1,957,222,358.55 and 724,339,616.10 is: 1,086,509,424.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,304,814,905.70 : 1,957,222,358.55 = 724,339,616.10 : x
  2. Step 2: Convert to fraction form
    1,304,814,905.70/1,957,222,358.55 = 724,339,616.10/x
  3. Step 3: Cross multiply
    1,304,814,905.70x = 1,957,222,358.55 × 724,339,616.10
  4. Step 4: Simplify right side
    1,304,814,905.70x = 1,417,693,691,814,443,520
  5. Step 5: Solve for x
    x = 1,417,693,691,814,443,520/1,304,814,905.70
  6. Step 6: Final answer
    x = 1,086,509,424.15

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Double scale
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1.5x scale

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.