Home / 500,098,012.22-749,856,244.67-189,229,642.69

Finding the Fourth Proportional to 500,098,012.22, 749,856,244.67 and 189,229,642.69

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Solution

The fourth proportional to 500,098,012.22, 749,856,244.67 and 189,229,642.69 is: 283,734,439.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,098,012.22 : 749,856,244.67 = 189,229,642.69 : x
  2. Step 2: Convert to fraction form
    500,098,012.22/749,856,244.67 = 189,229,642.69/x
  3. Step 3: Cross multiply
    500,098,012.22x = 749,856,244.67 × 189,229,642.69
  4. Step 4: Simplify right side
    500,098,012.22x = 141,895,029,247,597,712
  5. Step 5: Solve for x
    x = 141,895,029,247,597,712/500,098,012.22
  6. Step 6: Final answer
    x = 283,734,439.61

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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.