Home / 20,102,957,520.30-30,154,436,280.45-13,361,841,011.70

Finding the Fourth Proportional to 20,102,957,520.30, 30,154,436,280.45 and 13,361,841,011.70

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Solution

The fourth proportional to 20,102,957,520.30, 30,154,436,280.45 and 13,361,841,011.70 is: 20,042,761,517.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,102,957,520.30 : 30,154,436,280.45 = 13,361,841,011.70 : x
  2. Step 2: Convert to fraction form
    20,102,957,520.30/30,154,436,280.45 = 13,361,841,011.70/x
  3. Step 3: Cross multiply
    20,102,957,520.30x = 30,154,436,280.45 × 13,361,841,011.70
  4. Step 4: Simplify right side
    20,102,957,520.30x = 402,918,783,376,811,229,184
  5. Step 5: Solve for x
    x = 402,918,783,376,811,229,184/20,102,957,520.30
  6. Step 6: Final answer
    x = 20,042,761,517.55

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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.