Home / 10,392,689,109.60-15,589,033,664.40-8,433,585,007.20

Finding the Fourth Proportional to 10,392,689,109.60, 15,589,033,664.40 and 8,433,585,007.20

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Solution

The fourth proportional to 10,392,689,109.60, 15,589,033,664.40 and 8,433,585,007.20 is: 12,650,377,510.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,392,689,109.60 : 15,589,033,664.40 = 8,433,585,007.20 : x
  2. Step 2: Convert to fraction form
    10,392,689,109.60/15,589,033,664.40 = 8,433,585,007.20/x
  3. Step 3: Cross multiply
    10,392,689,109.60x = 15,589,033,664.40 × 8,433,585,007.20
  4. Step 4: Simplify right side
    10,392,689,109.60x = 131,471,440,588,819,906,560
  5. Step 5: Solve for x
    x = 131,471,440,588,819,906,560/10,392,689,109.60
  6. Step 6: Final answer
    x = 12,650,377,510.80

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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.