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Finding the Fourth Proportional to 558,980,785.30, 838,471,177.95 and 558,980,785.30

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Solution

The fourth proportional to 558,980,785.30, 838,471,177.95 and 558,980,785.30 is: 838,471,177.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,980,785.30 : 838,471,177.95 = 558,980,785.30 : x
  2. Step 2: Convert to fraction form
    558,980,785.30/838,471,177.95 = 558,980,785.30/x
  3. Step 3: Cross multiply
    558,980,785.30x = 838,471,177.95 × 558,980,785.30
  4. Step 4: Simplify right side
    558,980,785.30x = 468,689,277,501,907,008
  5. Step 5: Solve for x
    x = 468,689,277,501,907,008/558,980,785.30
  6. Step 6: Final answer
    x = 838,471,177.95

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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.