Home / 392,716,388.74-588,897,311.90-112,533,217.59

Finding the Fourth Proportional to 392,716,388.74, 588,897,311.90 and 112,533,217.59

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Solution

The fourth proportional to 392,716,388.74, 588,897,311.90 and 112,533,217.59 is: 168,749,029.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,716,388.74 : 588,897,311.90 = 112,533,217.59 : x
  2. Step 2: Convert to fraction form
    392,716,388.74/588,897,311.90 = 112,533,217.59/x
  3. Step 3: Cross multiply
    392,716,388.74x = 588,897,311.90 × 112,533,217.59
  4. Step 4: Simplify right side
    392,716,388.74x = 66,270,509,337,646,128
  5. Step 5: Solve for x
    x = 66,270,509,337,646,128/392,716,388.74
  6. Step 6: Final answer
    x = 168,749,029.17

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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.