Home / 8,088,336,006.90-12,132,504,010.35-3,945,647,123.70

Finding the Fourth Proportional to 8,088,336,006.90, 12,132,504,010.35 and 3,945,647,123.70

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Solution

The fourth proportional to 8,088,336,006.90, 12,132,504,010.35 and 3,945,647,123.70 is: 5,918,470,685.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,088,336,006.90 : 12,132,504,010.35 = 3,945,647,123.70 : x
  2. Step 2: Convert to fraction form
    8,088,336,006.90/12,132,504,010.35 = 3,945,647,123.70/x
  3. Step 3: Cross multiply
    8,088,336,006.90x = 12,132,504,010.35 × 3,945,647,123.70
  4. Step 4: Simplify right side
    8,088,336,006.90x = 47,870,579,551,716,188,160
  5. Step 5: Solve for x
    x = 47,870,579,551,716,188,160/8,088,336,006.90
  6. Step 6: Final answer
    x = 5,918,470,685.55

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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.