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Finding the Fourth Proportional to 898,366,918.30, 1,347,550,377.45 and 635,339,052.70

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Solution

The fourth proportional to 898,366,918.30, 1,347,550,377.45 and 635,339,052.70 is: 953,008,579.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,366,918.30 : 1,347,550,377.45 = 635,339,052.70 : x
  2. Step 2: Convert to fraction form
    898,366,918.30/1,347,550,377.45 = 635,339,052.70/x
  3. Step 3: Cross multiply
    898,366,918.30x = 1,347,550,377.45 × 635,339,052.70
  4. Step 4: Simplify right side
    898,366,918.30x = 856,151,380,274,610,560
  5. Step 5: Solve for x
    x = 856,151,380,274,610,560/898,366,918.30
  6. Step 6: Final answer
    x = 953,008,579.05

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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.