Home / 3,319,222,474.20-4,978,833,711.30-3,128,754,019.80

Finding the Fourth Proportional to 3,319,222,474.20, 4,978,833,711.30 and 3,128,754,019.80

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Solution

The fourth proportional to 3,319,222,474.20, 4,978,833,711.30 and 3,128,754,019.80 is: 4,693,131,029.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,319,222,474.20 : 4,978,833,711.30 = 3,128,754,019.80 : x
  2. Step 2: Convert to fraction form
    3,319,222,474.20/4,978,833,711.30 = 3,128,754,019.80/x
  3. Step 3: Cross multiply
    3,319,222,474.20x = 4,978,833,711.30 × 3,128,754,019.80
  4. Step 4: Simplify right side
    3,319,222,474.20x = 15,577,545,988,145,629,184
  5. Step 5: Solve for x
    x = 15,577,545,988,145,629,184/3,319,222,474.20
  6. Step 6: Final answer
    x = 4,693,131,029.70

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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.