Home / 546,268,821.90-819,403,232.85-488,873,193.90

Finding the Fourth Proportional to 546,268,821.90, 819,403,232.85 and 488,873,193.90

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Solution

The fourth proportional to 546,268,821.90, 819,403,232.85 and 488,873,193.90 is: 733,309,790.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,268,821.90 : 819,403,232.85 = 488,873,193.90 : x
  2. Step 2: Convert to fraction form
    546,268,821.90/819,403,232.85 = 488,873,193.90/x
  3. Step 3: Cross multiply
    546,268,821.90x = 819,403,232.85 × 488,873,193.90
  4. Step 4: Simplify right side
    546,268,821.90x = 400,584,275,535,364,864
  5. Step 5: Solve for x
    x = 400,584,275,535,364,864/546,268,821.90
  6. Step 6: Final answer
    x = 733,309,790.85

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Similar ratio
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1.5x scale

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.