Home / 298,418,416.20-447,627,624.30-177,187,465.80

Finding the Fourth Proportional to 298,418,416.20, 447,627,624.30 and 177,187,465.80

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Solution

The fourth proportional to 298,418,416.20, 447,627,624.30 and 177,187,465.80 is: 265,781,198.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,418,416.20 : 447,627,624.30 = 177,187,465.80 : x
  2. Step 2: Convert to fraction form
    298,418,416.20/447,627,624.30 = 177,187,465.80/x
  3. Step 3: Cross multiply
    298,418,416.20x = 447,627,624.30 × 177,187,465.80
  4. Step 4: Simplify right side
    298,418,416.20x = 79,314,004,371,791,504
  5. Step 5: Solve for x
    x = 79,314,004,371,791,504/298,418,416.20
  6. Step 6: Final answer
    x = 265,781,198.70

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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.