Home / 447,126,487.20-670,689,730.80-140,449,600.80

Finding the Fourth Proportional to 447,126,487.20, 670,689,730.80 and 140,449,600.80

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Solution

The fourth proportional to 447,126,487.20, 670,689,730.80 and 140,449,600.80 is: 210,674,401.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,126,487.20 : 670,689,730.80 = 140,449,600.80 : x
  2. Step 2: Convert to fraction form
    447,126,487.20/670,689,730.80 = 140,449,600.80/x
  3. Step 3: Cross multiply
    447,126,487.20x = 670,689,730.80 × 140,449,600.80
  4. Step 4: Simplify right side
    447,126,487.20x = 94,198,104,951,519,472
  5. Step 5: Solve for x
    x = 94,198,104,951,519,472/447,126,487.20
  6. Step 6: Final answer
    x = 210,674,401.20

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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.