Home / 1,722,623,234.92-2,376,906,490.38-969,819,343.72

Finding the Fourth Proportional to 1,722,623,234.92, 2,376,906,490.38 and 969,819,343.72

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Solution

The fourth proportional to 1,722,623,234.92, 2,376,906,490.38 and 969,819,343.72 is: 1,338,174,155.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,722,623,234.92 : 2,376,906,490.38 = 969,819,343.72 : x
  2. Step 2: Convert to fraction form
    1,722,623,234.92/2,376,906,490.38 = 969,819,343.72/x
  3. Step 3: Cross multiply
    1,722,623,234.92x = 2,376,906,490.38 × 969,819,343.72
  4. Step 4: Simplify right side
    1,722,623,234.92x = 2,305,169,892,584,140,288
  5. Step 5: Solve for x
    x = 2,305,169,892,584,140,288/1,722,623,234.92
  6. Step 6: Final answer
    x = 1,338,174,155.47

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Double scale
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1.5x scale

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.