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Finding the Fourth Proportional to 546,268,874.40, 819,403,311.60 and 488,873,246.40

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Solution

The fourth proportional to 546,268,874.40, 819,403,311.60 and 488,873,246.40 is: 733,309,869.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,268,874.40 : 819,403,311.60 = 488,873,246.40 : x
  2. Step 2: Convert to fraction form
    546,268,874.40/819,403,311.60 = 488,873,246.40/x
  3. Step 3: Cross multiply
    546,268,874.40x = 819,403,311.60 × 488,873,246.40
  4. Step 4: Simplify right side
    546,268,874.40x = 400,584,357,052,802,752
  5. Step 5: Solve for x
    x = 400,584,357,052,802,752/546,268,874.40
  6. Step 6: Final answer
    x = 733,309,869.60

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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.