Home / 574,560,246.80-861,840,370.20-393,161,718.80

Finding the Fourth Proportional to 574,560,246.80, 861,840,370.20 and 393,161,718.80

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Solution

The fourth proportional to 574,560,246.80, 861,840,370.20 and 393,161,718.80 is: 589,742,578.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,560,246.80 : 861,840,370.20 = 393,161,718.80 : x
  2. Step 2: Convert to fraction form
    574,560,246.80/861,840,370.20 = 393,161,718.80/x
  3. Step 3: Cross multiply
    574,560,246.80x = 861,840,370.20 × 393,161,718.80
  4. Step 4: Simplify right side
    574,560,246.80x = 338,842,641,279,060,352
  5. Step 5: Solve for x
    x = 338,842,641,279,060,352/574,560,246.80
  6. Step 6: Final answer
    x = 589,742,578.20

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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.