Home / 422,024,790.20-633,149,159.70-149,367,126.20

Finding the Fourth Proportional to 422,024,790.20, 633,149,159.70 and 149,367,126.20

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Solution

The fourth proportional to 422,024,790.20, 633,149,159.70 and 149,367,126.20 is: 224,090,320.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,024,790.20 : 633,149,159.70 = 149,367,126.20 : x
  2. Step 2: Convert to fraction form
    422,024,790.20/633,149,159.70 = 149,367,126.20/x
  3. Step 3: Cross multiply
    422,024,790.20x = 633,149,159.70 × 149,367,126.20
  4. Step 4: Simplify right side
    422,024,790.20x = 94,571,670,440,333,856
  5. Step 5: Solve for x
    x = 94,571,670,440,333,856/422,024,790.20
  6. Step 6: Final answer
    x = 224,090,320.37

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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.