Home / 388,368,002.40-582,552,003.60-158,211,621.60

Finding the Fourth Proportional to 388,368,002.40, 582,552,003.60 and 158,211,621.60

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Solution

The fourth proportional to 388,368,002.40, 582,552,003.60 and 158,211,621.60 is: 237,317,432.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,368,002.40 : 582,552,003.60 = 158,211,621.60 : x
  2. Step 2: Convert to fraction form
    388,368,002.40/582,552,003.60 = 158,211,621.60/x
  3. Step 3: Cross multiply
    388,368,002.40x = 582,552,003.60 × 158,211,621.60
  4. Step 4: Simplify right side
    388,368,002.40x = 92,166,497,155,885,040
  5. Step 5: Solve for x
    x = 92,166,497,155,885,040/388,368,002.40
  6. Step 6: Final answer
    x = 237,317,432.40

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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.