Home / 13,140,786,639.44-18,134,049,177.41-7,424,948,345.10

Finding the Fourth Proportional to 13,140,786,639.44, 18,134,049,177.41 and 7,424,948,345.10

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Solution

The fourth proportional to 13,140,786,639.44, 18,134,049,177.41 and 7,424,948,345.10 is: 10,246,295,151.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,140,786,639.44 : 18,134,049,177.41 = 7,424,948,345.10 : x
  2. Step 2: Convert to fraction form
    13,140,786,639.44/18,134,049,177.41 = 7,424,948,345.10/x
  3. Step 3: Cross multiply
    13,140,786,639.44x = 18,134,049,177.41 × 7,424,948,345.10
  4. Step 4: Simplify right side
    13,140,786,639.44x = 134,644,378,429,735,272,448
  5. Step 5: Solve for x
    x = 134,644,378,429,735,272,448/13,140,786,639.44
  6. Step 6: Final answer
    x = 10,246,295,151.44

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.