Home / 871,344,007.20-1,307,016,010.80-548,857,735.20

Finding the Fourth Proportional to 871,344,007.20, 1,307,016,010.80 and 548,857,735.20

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Solution

The fourth proportional to 871,344,007.20, 1,307,016,010.80 and 548,857,735.20 is: 823,286,602.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,344,007.20 : 1,307,016,010.80 = 548,857,735.20 : x
  2. Step 2: Convert to fraction form
    871,344,007.20/1,307,016,010.80 = 548,857,735.20/x
  3. Step 3: Cross multiply
    871,344,007.20x = 1,307,016,010.80 × 548,857,735.20
  4. Step 4: Simplify right side
    871,344,007.20x = 717,365,847,557,826,816
  5. Step 5: Solve for x
    x = 717,365,847,557,826,816/871,344,007.20
  6. Step 6: Final answer
    x = 823,286,602.80

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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.