Home / 723,984,406.19-1,085,986,699.55-206,414,847.35

Finding the Fourth Proportional to 723,984,406.19, 1,085,986,699.55 and 206,414,847.35

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Solution

The fourth proportional to 723,984,406.19, 1,085,986,699.55 and 206,414,847.35 is: 309,625,147.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,984,406.19 : 1,085,986,699.55 = 206,414,847.35 : x
  2. Step 2: Convert to fraction form
    723,984,406.19/1,085,986,699.55 = 206,414,847.35/x
  3. Step 3: Cross multiply
    723,984,406.19x = 1,085,986,699.55 × 206,414,847.35
  4. Step 4: Simplify right side
    723,984,406.19x = 224,163,778,811,294,304
  5. Step 5: Solve for x
    x = 224,163,778,811,294,304/723,984,406.19
  6. Step 6: Final answer
    x = 309,625,147.86

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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.