Home / 15,062,287,073.71-20,785,331,983.02-8,195,712,054.10

Finding the Fourth Proportional to 15,062,287,073.71, 20,785,331,983.02 and 8,195,712,054.10

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Solution

The fourth proportional to 15,062,287,073.71, 20,785,331,983.02 and 8,195,712,054.10 is: 11,309,743,005.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,062,287,073.71 : 20,785,331,983.02 = 8,195,712,054.10 : x
  2. Step 2: Convert to fraction form
    15,062,287,073.71/20,785,331,983.02 = 8,195,712,054.10/x
  3. Step 3: Cross multiply
    15,062,287,073.71x = 20,785,331,983.02 × 8,195,712,054.10
  4. Step 4: Simplify right side
    15,062,287,073.71x = 170,350,595,881,786,015,744
  5. Step 5: Solve for x
    x = 170,350,595,881,786,015,744/15,062,287,073.71
  6. Step 6: Final answer
    x = 11,309,743,005.70

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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.