Home / 388,656,393.20-582,990,810.60-101,442,057.20

Finding the Fourth Proportional to 388,656,393.20, 582,990,810.60 and 101,442,057.20

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Solution

The fourth proportional to 388,656,393.20, 582,990,810.60 and 101,442,057.20 is: 152,164,709.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,656,393.20 : 582,990,810.60 = 101,442,057.20 : x
  2. Step 2: Convert to fraction form
    388,656,393.20/582,990,810.60 = 101,442,057.20/x
  3. Step 3: Cross multiply
    388,656,393.20x = 582,990,810.60 × 101,442,057.20
  4. Step 4: Simplify right side
    388,656,393.20x = 59,139,787,155,959,568
  5. Step 5: Solve for x
    x = 59,139,787,155,959,568/388,656,393.20
  6. Step 6: Final answer
    x = 152,164,709.47

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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.