Home / 840,949,104.92-1,160,474,637.70-483,689,712.74

Finding the Fourth Proportional to 840,949,104.92, 1,160,474,637.70 and 483,689,712.74

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Solution

The fourth proportional to 840,949,104.92, 1,160,474,637.70 and 483,689,712.74 is: 667,471,599.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,949,104.92 : 1,160,474,637.70 = 483,689,712.74 : x
  2. Step 2: Convert to fraction form
    840,949,104.92/1,160,474,637.70 = 483,689,712.74/x
  3. Step 3: Cross multiply
    840,949,104.92x = 1,160,474,637.70 × 483,689,712.74
  4. Step 4: Simplify right side
    840,949,104.92x = 561,309,644,151,168,640
  5. Step 5: Solve for x
    x = 561,309,644,151,168,640/840,949,104.92
  6. Step 6: Final answer
    x = 667,471,599.49

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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.