Home / 497,872,604.80-746,808,907.20-268,290,092.80

Finding the Fourth Proportional to 497,872,604.80, 746,808,907.20 and 268,290,092.80

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Solution

The fourth proportional to 497,872,604.80, 746,808,907.20 and 268,290,092.80 is: 402,435,139.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,872,604.80 : 746,808,907.20 = 268,290,092.80 : x
  2. Step 2: Convert to fraction form
    497,872,604.80/746,808,907.20 = 268,290,092.80/x
  3. Step 3: Cross multiply
    497,872,604.80x = 746,808,907.20 × 268,290,092.80
  4. Step 4: Simplify right side
    497,872,604.80x = 200,361,431,016,554,624
  5. Step 5: Solve for x
    x = 200,361,431,016,554,624/497,872,604.80
  6. Step 6: Final answer
    x = 402,435,139.20

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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.