Home / 632,960,233.60-949,440,350.40-388,072,220.80

Finding the Fourth Proportional to 632,960,233.60, 949,440,350.40 and 388,072,220.80

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Solution

The fourth proportional to 632,960,233.60, 949,440,350.40 and 388,072,220.80 is: 582,108,331.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,960,233.60 : 949,440,350.40 = 388,072,220.80 : x
  2. Step 2: Convert to fraction form
    632,960,233.60/949,440,350.40 = 388,072,220.80/x
  3. Step 3: Cross multiply
    632,960,233.60x = 949,440,350.40 × 388,072,220.80
  4. Step 4: Simplify right side
    632,960,233.60x = 368,451,425,296,858,176
  5. Step 5: Solve for x
    x = 368,451,425,296,858,176/632,960,233.60
  6. Step 6: Final answer
    x = 582,108,331.20

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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.