Home / 298,908,856.80-448,363,285.20-177,976,504.80

Finding the Fourth Proportional to 298,908,856.80, 448,363,285.20 and 177,976,504.80

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Solution

The fourth proportional to 298,908,856.80, 448,363,285.20 and 177,976,504.80 is: 266,964,757.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,908,856.80 : 448,363,285.20 = 177,976,504.80 : x
  2. Step 2: Convert to fraction form
    298,908,856.80/448,363,285.20 = 177,976,504.80/x
  3. Step 3: Cross multiply
    298,908,856.80x = 448,363,285.20 × 177,976,504.80
  4. Step 4: Simplify right side
    298,908,856.80x = 79,798,130,380,541,568
  5. Step 5: Solve for x
    x = 79,798,130,380,541,568/298,908,856.80
  6. Step 6: Final answer
    x = 266,964,757.20

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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.