Home / 284,067,608.85-392,284,034.78-268,591,820.94

Finding the Fourth Proportional to 284,067,608.85, 392,284,034.78 and 268,591,820.94

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Solution

The fourth proportional to 284,067,608.85, 392,284,034.78 and 268,591,820.94 is: 370,912,698.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,067,608.85 : 392,284,034.78 = 268,591,820.94 : x
  2. Step 2: Convert to fraction form
    284,067,608.85/392,284,034.78 = 268,591,820.94/x
  3. Step 3: Cross multiply
    284,067,608.85x = 392,284,034.78 × 268,591,820.94
  4. Step 4: Simplify right side
    284,067,608.85x = 105,364,283,225,907,520
  5. Step 5: Solve for x
    x = 105,364,283,225,907,520/284,067,608.85
  6. Step 6: Final answer
    x = 370,912,698.05

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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.