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Finding the Fourth Proportional to 898,366,845.80, 1,347,550,268.70 and 635,338,980.20

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Solution

The fourth proportional to 898,366,845.80, 1,347,550,268.70 and 635,338,980.20 is: 953,008,470.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,366,845.80 : 1,347,550,268.70 = 635,338,980.20 : x
  2. Step 2: Convert to fraction form
    898,366,845.80/1,347,550,268.70 = 635,338,980.20/x
  3. Step 3: Cross multiply
    898,366,845.80x = 1,347,550,268.70 × 635,338,980.20
  4. Step 4: Simplify right side
    898,366,845.80x = 856,151,213,484,094,080
  5. Step 5: Solve for x
    x = 856,151,213,484,094,080/898,366,845.80
  6. Step 6: Final answer
    x = 953,008,470.30

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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.