Home / 393,218,473.86-589,923,737.10-130,902,515.64

Finding the Fourth Proportional to 393,218,473.86, 589,923,737.10 and 130,902,515.64

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Solution

The fourth proportional to 393,218,473.86, 589,923,737.10 and 130,902,515.64 is: 196,385,740.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,218,473.86 : 589,923,737.10 = 130,902,515.64 : x
  2. Step 2: Convert to fraction form
    393,218,473.86/589,923,737.10 = 130,902,515.64/x
  3. Step 3: Cross multiply
    393,218,473.86x = 589,923,737.10 × 130,902,515.64
  4. Step 4: Simplify right side
    393,218,473.86x = 77,222,501,222,140,000
  5. Step 5: Solve for x
    x = 77,222,501,222,140,000/393,218,473.86
  6. Step 6: Final answer
    x = 196,385,740.64

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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.