Home / 388,589,426.80-582,510,892.20-224,658,905.20

Finding the Fourth Proportional to 388,589,426.80, 582,510,892.20 and 224,658,905.20

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Solution

The fourth proportional to 388,589,426.80, 582,510,892.20 and 224,658,905.20 is: 336,772,568.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,589,426.80 : 582,510,892.20 = 224,658,905.20 : x
  2. Step 2: Convert to fraction form
    388,589,426.80/582,510,892.20 = 224,658,905.20/x
  3. Step 3: Cross multiply
    388,589,426.80x = 582,510,892.20 × 224,658,905.20
  4. Step 4: Simplify right side
    388,589,426.80x = 130,866,259,308,727,216
  5. Step 5: Solve for x
    x = 130,866,259,308,727,216/388,589,426.80
  6. Step 6: Final answer
    x = 336,772,568.38

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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.