Home / 542,723,241.40-814,084,862.10-325,045,007.80

Finding the Fourth Proportional to 542,723,241.40, 814,084,862.10 and 325,045,007.80

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Solution

The fourth proportional to 542,723,241.40, 814,084,862.10 and 325,045,007.80 is: 487,567,511.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,723,241.40 : 814,084,862.10 = 325,045,007.80 : x
  2. Step 2: Convert to fraction form
    542,723,241.40/814,084,862.10 = 325,045,007.80/x
  3. Step 3: Cross multiply
    542,723,241.40x = 814,084,862.10 × 325,045,007.80
  4. Step 4: Simplify right side
    542,723,241.40x = 264,614,220,351,156,448
  5. Step 5: Solve for x
    x = 264,614,220,351,156,448/542,723,241.40
  6. Step 6: Final answer
    x = 487,567,511.70

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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.