Home / 15,174,529,049.29-20,941,098,008.60-8,307,811,120.71

Finding the Fourth Proportional to 15,174,529,049.29, 20,941,098,008.60 and 8,307,811,120.71

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Solution

The fourth proportional to 15,174,529,049.29, 20,941,098,008.60 and 8,307,811,120.71 is: 11,464,915,079.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,174,529,049.29 : 20,941,098,008.60 = 8,307,811,120.71 : x
  2. Step 2: Convert to fraction form
    15,174,529,049.29/20,941,098,008.60 = 8,307,811,120.71/x
  3. Step 3: Cross multiply
    15,174,529,049.29x = 20,941,098,008.60 × 8,307,811,120.71
  4. Step 4: Simplify right side
    15,174,529,049.29x = 173,974,686,915,683,581,952
  5. Step 5: Solve for x
    x = 173,974,686,915,683,581,952/15,174,529,049.29
  6. Step 6: Final answer
    x = 11,464,915,079.12

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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.