Home / 8,148,789,007.20-12,223,183,510.80-5,359,361,486.40

Finding the Fourth Proportional to 8,148,789,007.20, 12,223,183,510.80 and 5,359,361,486.40

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Solution

The fourth proportional to 8,148,789,007.20, 12,223,183,510.80 and 5,359,361,486.40 is: 8,039,042,229.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,148,789,007.20 : 12,223,183,510.80 = 5,359,361,486.40 : x
  2. Step 2: Convert to fraction form
    8,148,789,007.20/12,223,183,510.80 = 5,359,361,486.40/x
  3. Step 3: Cross multiply
    8,148,789,007.20x = 12,223,183,510.80 × 5,359,361,486.40
  4. Step 4: Simplify right side
    8,148,789,007.20x = 65,508,458,948,981,047,296
  5. Step 5: Solve for x
    x = 65,508,458,948,981,047,296/8,148,789,007.20
  6. Step 6: Final answer
    x = 8,039,042,229.60

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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.