Home / 1,412,349,363.92-1,949,311,957.08-935,198,134.40

Finding the Fourth Proportional to 1,412,349,363.92, 1,949,311,957.08 and 935,198,134.40

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Solution

The fourth proportional to 1,412,349,363.92, 1,949,311,957.08 and 935,198,134.40 is: 1,290,752,098.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,349,363.92 : 1,949,311,957.08 = 935,198,134.40 : x
  2. Step 2: Convert to fraction form
    1,412,349,363.92/1,949,311,957.08 = 935,198,134.40/x
  3. Step 3: Cross multiply
    1,412,349,363.92x = 1,949,311,957.08 × 935,198,134.40
  4. Step 4: Simplify right side
    1,412,349,363.92x = 1,822,992,905,624,828,672
  5. Step 5: Solve for x
    x = 1,822,992,905,624,828,672/1,412,349,363.92
  6. Step 6: Final answer
    x = 1,290,752,098.73

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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.