Home / 545,825,200.80-818,737,801.20-486,870,679.20

Finding the Fourth Proportional to 545,825,200.80, 818,737,801.20 and 486,870,679.20

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Solution

The fourth proportional to 545,825,200.80, 818,737,801.20 and 486,870,679.20 is: 730,306,018.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,825,200.80 : 818,737,801.20 = 486,870,679.20 : x
  2. Step 2: Convert to fraction form
    545,825,200.80/818,737,801.20 = 486,870,679.20/x
  3. Step 3: Cross multiply
    545,825,200.80x = 818,737,801.20 × 486,870,679.20
  4. Step 4: Simplify right side
    545,825,200.80x = 398,619,429,356,958,592
  5. Step 5: Solve for x
    x = 398,619,429,356,958,592/545,825,200.80
  6. Step 6: Final answer
    x = 730,306,018.80

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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.