Home / 388,520,350.80-583,099,390.80-375,765,766.80

Finding the Fourth Proportional to 388,520,350.80, 583,099,390.80 and 375,765,766.80

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Solution

The fourth proportional to 388,520,350.80, 583,099,390.80 and 375,765,766.80 is: 563,957,046.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,520,350.80 : 583,099,390.80 = 375,765,766.80 : x
  2. Step 2: Convert to fraction form
    388,520,350.80/583,099,390.80 = 375,765,766.80/x
  3. Step 3: Cross multiply
    388,520,350.80x = 583,099,390.80 × 375,765,766.80
  4. Step 4: Simplify right side
    388,520,350.80x = 219,108,789,704,574,848
  5. Step 5: Solve for x
    x = 219,108,789,704,574,848/388,520,350.80
  6. Step 6: Final answer
    x = 563,957,046.92

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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.