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Finding the Fourth Proportional to 613,966,793.40, 920,950,190.10 and 613,966,793.40

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Solution

The fourth proportional to 613,966,793.40, 920,950,190.10 and 613,966,793.40 is: 920,950,190.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,966,793.40 : 920,950,190.10 = 613,966,793.40 : x
  2. Step 2: Convert to fraction form
    613,966,793.40/920,950,190.10 = 613,966,793.40/x
  3. Step 3: Cross multiply
    613,966,793.40x = 920,950,190.10 × 613,966,793.40
  4. Step 4: Simplify right side
    613,966,793.40x = 565,432,835,096,817,408
  5. Step 5: Solve for x
    x = 565,432,835,096,817,408/613,966,793.40
  6. Step 6: Final answer
    x = 920,950,190.10

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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.