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Finding the Fourth Proportional to 898,150,652.40, 1,347,225,978.60 and 656,285,948.40

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Solution

The fourth proportional to 898,150,652.40, 1,347,225,978.60 and 656,285,948.40 is: 984,428,922.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,150,652.40 : 1,347,225,978.60 = 656,285,948.40 : x
  2. Step 2: Convert to fraction form
    898,150,652.40/1,347,225,978.60 = 656,285,948.40/x
  3. Step 3: Cross multiply
    898,150,652.40x = 1,347,225,978.60 × 656,285,948.40
  4. Step 4: Simplify right side
    898,150,652.40x = 884,165,479,074,619,008
  5. Step 5: Solve for x
    x = 884,165,479,074,619,008/898,150,652.40
  6. Step 6: Final answer
    x = 984,428,922.60

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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.