Home / 542,723,211.40-814,084,817.10-325,044,977.80

Finding the Fourth Proportional to 542,723,211.40, 814,084,817.10 and 325,044,977.80

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Solution

The fourth proportional to 542,723,211.40, 814,084,817.10 and 325,044,977.80 is: 487,567,466.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,723,211.40 : 814,084,817.10 = 325,044,977.80 : x
  2. Step 2: Convert to fraction form
    542,723,211.40/814,084,817.10 = 325,044,977.80/x
  3. Step 3: Cross multiply
    542,723,211.40x = 814,084,817.10 × 325,044,977.80
  4. Step 4: Simplify right side
    542,723,211.40x = 264,614,181,301,586,592
  5. Step 5: Solve for x
    x = 264,614,181,301,586,592/542,723,211.40
  6. Step 6: Final answer
    x = 487,567,466.70

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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.