Home / 343,871,488.80-515,807,233.20-303,560,704.80

Finding the Fourth Proportional to 343,871,488.80, 515,807,233.20 and 303,560,704.80

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Solution

The fourth proportional to 343,871,488.80, 515,807,233.20 and 303,560,704.80 is: 455,341,057.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,871,488.80 : 515,807,233.20 = 303,560,704.80 : x
  2. Step 2: Convert to fraction form
    343,871,488.80/515,807,233.20 = 303,560,704.80/x
  3. Step 3: Cross multiply
    343,871,488.80x = 515,807,233.20 × 303,560,704.80
  4. Step 4: Simplify right side
    343,871,488.80x = 156,578,807,251,129,952
  5. Step 5: Solve for x
    x = 156,578,807,251,129,952/343,871,488.80
  6. Step 6: Final answer
    x = 455,341,057.20

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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.