Home / 442,890,002.70-664,331,504.85-115,364,882.70

Finding the Fourth Proportional to 442,890,002.70, 664,331,504.85 and 115,364,882.70

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Solution

The fourth proportional to 442,890,002.70, 664,331,504.85 and 115,364,882.70 is: 173,046,412.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,890,002.70 : 664,331,504.85 = 115,364,882.70 : x
  2. Step 2: Convert to fraction form
    442,890,002.70/664,331,504.85 = 115,364,882.70/x
  3. Step 3: Cross multiply
    442,890,002.70x = 664,331,504.85 × 115,364,882.70
  4. Step 4: Simplify right side
    442,890,002.70x = 76,640,526,130,934,736
  5. Step 5: Solve for x
    x = 76,640,526,130,934,736/442,890,002.70
  6. Step 6: Final answer
    x = 173,046,412.57

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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.