Home / 982,403,999.40-1,473,605,999.10-491,193,083.10

Finding the Fourth Proportional to 982,403,999.40, 1,473,605,999.10 and 491,193,083.10

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Solution

The fourth proportional to 982,403,999.40, 1,473,605,999.10 and 491,193,083.10 is: 736,789,624.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,403,999.40 : 1,473,605,999.10 = 491,193,083.10 : x
  2. Step 2: Convert to fraction form
    982,403,999.40/1,473,605,999.10 = 491,193,083.10/x
  3. Step 3: Cross multiply
    982,403,999.40x = 1,473,605,999.10 × 491,193,083.10
  4. Step 4: Simplify right side
    982,403,999.40x = 723,825,073,972,584,832
  5. Step 5: Solve for x
    x = 723,825,073,972,584,832/982,403,999.40
  6. Step 6: Final answer
    x = 736,789,624.65

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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.