Home / 415,391,544.66-623,120,310.60-139,044,217.56

Finding the Fourth Proportional to 415,391,544.66, 623,120,310.60 and 139,044,217.56

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Solution

The fourth proportional to 415,391,544.66, 623,120,310.60 and 139,044,217.56 is: 208,577,370.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,391,544.66 : 623,120,310.60 = 139,044,217.56 : x
  2. Step 2: Convert to fraction form
    415,391,544.66/623,120,310.60 = 139,044,217.56/x
  3. Step 3: Cross multiply
    415,391,544.66x = 623,120,310.60 × 139,044,217.56
  4. Step 4: Simplify right side
    415,391,544.66x = 86,641,276,033,121,184
  5. Step 5: Solve for x
    x = 86,641,276,033,121,184/415,391,544.66
  6. Step 6: Final answer
    x = 208,577,370.31

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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.