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Finding the Fourth Proportional to 996,866,679.90, 1,495,300,019.85 and 566,884,983.90

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Solution

The fourth proportional to 996,866,679.90, 1,495,300,019.85 and 566,884,983.90 is: 850,327,475.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,866,679.90 : 1,495,300,019.85 = 566,884,983.90 : x
  2. Step 2: Convert to fraction form
    996,866,679.90/1,495,300,019.85 = 566,884,983.90/x
  3. Step 3: Cross multiply
    996,866,679.90x = 1,495,300,019.85 × 566,884,983.90
  4. Step 4: Simplify right side
    996,866,679.90x = 847,663,127,678,336,896
  5. Step 5: Solve for x
    x = 847,663,127,678,336,896/996,866,679.90
  6. Step 6: Final answer
    x = 850,327,475.85

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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.