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Finding the Fourth Proportional to 898,366,839.80, 1,347,550,259.70 and 635,338,974.20

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Solution

The fourth proportional to 898,366,839.80, 1,347,550,259.70 and 635,338,974.20 is: 953,008,461.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,366,839.80 : 1,347,550,259.70 = 635,338,974.20 : x
  2. Step 2: Convert to fraction form
    898,366,839.80/1,347,550,259.70 = 635,338,974.20/x
  3. Step 3: Cross multiply
    898,366,839.80x = 1,347,550,259.70 × 635,338,974.20
  4. Step 4: Simplify right side
    898,366,839.80x = 856,151,199,680,741,632
  5. Step 5: Solve for x
    x = 856,151,199,680,741,632/898,366,839.80
  6. Step 6: Final answer
    x = 953,008,461.30

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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.