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Finding the Fourth Proportional to 653,414,793.30, 980,122,189.95 and 653,414,793.30

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Solution

The fourth proportional to 653,414,793.30, 980,122,189.95 and 653,414,793.30 is: 980,122,189.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,414,793.30 : 980,122,189.95 = 653,414,793.30 : x
  2. Step 2: Convert to fraction form
    653,414,793.30/980,122,189.95 = 653,414,793.30/x
  3. Step 3: Cross multiply
    653,414,793.30x = 980,122,189.95 × 653,414,793.30
  4. Step 4: Simplify right side
    653,414,793.30x = 640,426,338,154,922,624
  5. Step 5: Solve for x
    x = 640,426,338,154,922,624/653,414,793.30
  6. Step 6: Final answer
    x = 980,122,189.95

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Double scale
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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.