Home / 388,022,812.80-582,034,219.20-337,004,476.80

Finding the Fourth Proportional to 388,022,812.80, 582,034,219.20 and 337,004,476.80

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Solution

The fourth proportional to 388,022,812.80, 582,034,219.20 and 337,004,476.80 is: 505,506,715.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,022,812.80 : 582,034,219.20 = 337,004,476.80 : x
  2. Step 2: Convert to fraction form
    388,022,812.80/582,034,219.20 = 337,004,476.80/x
  3. Step 3: Cross multiply
    388,022,812.80x = 582,034,219.20 × 337,004,476.80
  4. Step 4: Simplify right side
    388,022,812.80x = 196,148,137,521,192,544
  5. Step 5: Solve for x
    x = 196,148,137,521,192,544/388,022,812.80
  6. Step 6: Final answer
    x = 505,506,715.20

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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.