Home / 262,440,694.80-393,661,042.20-258,614,319.60

Finding the Fourth Proportional to 262,440,694.80, 393,661,042.20 and 258,614,319.60

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Solution

The fourth proportional to 262,440,694.80, 393,661,042.20 and 258,614,319.60 is: 387,921,479.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,440,694.80 : 393,661,042.20 = 258,614,319.60 : x
  2. Step 2: Convert to fraction form
    262,440,694.80/393,661,042.20 = 258,614,319.60/x
  3. Step 3: Cross multiply
    262,440,694.80x = 393,661,042.20 × 258,614,319.60
  4. Step 4: Simplify right side
    262,440,694.80x = 101,806,382,581,579,888
  5. Step 5: Solve for x
    x = 101,806,382,581,579,888/262,440,694.80
  6. Step 6: Final answer
    x = 387,921,479.40

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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.