Home / 1,981,569,785.70-2,972,354,678.55-601,382,079.30

Finding the Fourth Proportional to 1,981,569,785.70, 2,972,354,678.55 and 601,382,079.30

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Solution

The fourth proportional to 1,981,569,785.70, 2,972,354,678.55 and 601,382,079.30 is: 902,073,118.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,981,569,785.70 : 2,972,354,678.55 = 601,382,079.30 : x
  2. Step 2: Convert to fraction form
    1,981,569,785.70/2,972,354,678.55 = 601,382,079.30/x
  3. Step 3: Cross multiply
    1,981,569,785.70x = 2,972,354,678.55 × 601,382,079.30
  4. Step 4: Simplify right side
    1,981,569,785.70x = 1,787,520,837,003,482,112
  5. Step 5: Solve for x
    x = 1,787,520,837,003,482,112/1,981,569,785.70
  6. Step 6: Final answer
    x = 902,073,118.95

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Double scale
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Similar ratio
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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.