Home / 25,561,656,013.20-38,342,484,019.80-15,085,891,021.20

Finding the Fourth Proportional to 25,561,656,013.20, 38,342,484,019.80 and 15,085,891,021.20

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Solution

The fourth proportional to 25,561,656,013.20, 38,342,484,019.80 and 15,085,891,021.20 is: 22,628,836,531.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,561,656,013.20 : 38,342,484,019.80 = 15,085,891,021.20 : x
  2. Step 2: Convert to fraction form
    25,561,656,013.20/38,342,484,019.80 = 15,085,891,021.20/x
  3. Step 3: Cross multiply
    25,561,656,013.20x = 38,342,484,019.80 × 15,085,891,021.20
  4. Step 4: Simplify right side
    25,561,656,013.20x = 578,430,535,404,805,357,568
  5. Step 5: Solve for x
    x = 578,430,535,404,805,357,568/25,561,656,013.20
  6. Step 6: Final answer
    x = 22,628,836,531.80

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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.