Home / 542,867,368.10-814,576,072.14-247,729,781.24

Finding the Fourth Proportional to 542,867,368.10, 814,576,072.14 and 247,729,781.24

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Solution

The fourth proportional to 542,867,368.10, 814,576,072.14 and 247,729,781.24 is: 371,720,173.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,867,368.10 : 814,576,072.14 = 247,729,781.24 : x
  2. Step 2: Convert to fraction form
    542,867,368.10/814,576,072.14 = 247,729,781.24/x
  3. Step 3: Cross multiply
    542,867,368.10x = 814,576,072.14 × 247,729,781.24
  4. Step 4: Simplify right side
    542,867,368.10x = 201,794,752,151,971,360
  5. Step 5: Solve for x
    x = 201,794,752,151,971,360/542,867,368.10
  6. Step 6: Final answer
    x = 371,720,173.31

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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.