Home / 395,625,041.12-545,890,367.50-228,300,259.88

Finding the Fourth Proportional to 395,625,041.12, 545,890,367.50 and 228,300,259.88

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Solution

The fourth proportional to 395,625,041.12, 545,890,367.50 and 228,300,259.88 is: 315,012,700.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,625,041.12 : 545,890,367.50 = 228,300,259.88 : x
  2. Step 2: Convert to fraction form
    395,625,041.12/545,890,367.50 = 228,300,259.88/x
  3. Step 3: Cross multiply
    395,625,041.12x = 545,890,367.50 × 228,300,259.88
  4. Step 4: Simplify right side
    395,625,041.12x = 124,626,912,766,238,704
  5. Step 5: Solve for x
    x = 124,626,912,766,238,704/395,625,041.12
  6. Step 6: Final answer
    x = 315,012,700.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.