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Finding the Fourth Proportional to 79,648,608,092.80, 119,472,912,139.20 and 79,648,608,092.80

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Solution

The fourth proportional to 79,648,608,092.80, 119,472,912,139.20 and 79,648,608,092.80 is: 119,472,912,139.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,648,608,092.80 : 119,472,912,139.20 = 79,648,608,092.80 : x
  2. Step 2: Convert to fraction form
    79,648,608,092.80/119,472,912,139.20 = 79,648,608,092.80/x
  3. Step 3: Cross multiply
    79,648,608,092.80x = 119,472,912,139.20 × 79,648,608,092.80
  4. Step 4: Simplify right side
    79,648,608,092.80x = 9,515,851,156,680,668,610,560
  5. Step 5: Solve for x
    x = 9,515,851,156,680,668,610,560/79,648,608,092.80
  6. Step 6: Final answer
    x = 119,472,912,139.20

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Double scale
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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.