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Finding the Fourth Proportional to 360,988,752.30, 498,161,803.23 and 195,972,079.02

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Solution

The fourth proportional to 360,988,752.30, 498,161,803.23 and 195,972,079.02 is: 270,440,016.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,988,752.30 : 498,161,803.23 = 195,972,079.02 : x
  2. Step 2: Convert to fraction form
    360,988,752.30/498,161,803.23 = 195,972,079.02/x
  3. Step 3: Cross multiply
    360,988,752.30x = 498,161,803.23 × 195,972,079.02
  4. Step 4: Simplify right side
    360,988,752.30x = 97,625,804,267,335,264
  5. Step 5: Solve for x
    x = 97,625,804,267,335,264/360,988,752.30
  6. Step 6: Final answer
    x = 270,440,016.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.