Home / 361,831,294.36-542,807,479.05-284,105,062.90

Finding the Fourth Proportional to 361,831,294.36, 542,807,479.05 and 284,105,062.90

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Solution

The fourth proportional to 361,831,294.36, 542,807,479.05 and 284,105,062.90 is: 426,205,127.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,831,294.36 : 542,807,479.05 = 284,105,062.90 : x
  2. Step 2: Convert to fraction form
    361,831,294.36/542,807,479.05 = 284,105,062.90/x
  3. Step 3: Cross multiply
    361,831,294.36x = 542,807,479.05 × 284,105,062.90
  4. Step 4: Simplify right side
    361,831,294.36x = 154,214,352,978,090,656
  5. Step 5: Solve for x
    x = 154,214,352,978,090,656/361,831,294.36
  6. Step 6: Final answer
    x = 426,205,127.59

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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.