Home / 1,564,921,869.15-2,347,382,803.73-839,327,757.15

Finding the Fourth Proportional to 1,564,921,869.15, 2,347,382,803.73 and 839,327,757.15

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Solution

The fourth proportional to 1,564,921,869.15, 2,347,382,803.73 and 839,327,757.15 is: 1,258,991,635.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,564,921,869.15 : 2,347,382,803.73 = 839,327,757.15 : x
  2. Step 2: Convert to fraction form
    1,564,921,869.15/2,347,382,803.73 = 839,327,757.15/x
  3. Step 3: Cross multiply
    1,564,921,869.15x = 2,347,382,803.73 × 839,327,757.15
  4. Step 4: Simplify right side
    1,564,921,869.15x = 1,970,223,543,822,982,656
  5. Step 5: Solve for x
    x = 1,970,223,543,822,982,656/1,564,921,869.15
  6. Step 6: Final answer
    x = 1,258,991,635.73

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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.