Home / 1,046,591,999.20-1,569,887,998.80-319,486,232.80

Finding the Fourth Proportional to 1,046,591,999.20, 1,569,887,998.80 and 319,486,232.80

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Solution

The fourth proportional to 1,046,591,999.20, 1,569,887,998.80 and 319,486,232.80 is: 479,229,349.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,046,591,999.20 : 1,569,887,998.80 = 319,486,232.80 : x
  2. Step 2: Convert to fraction form
    1,046,591,999.20/1,569,887,998.80 = 319,486,232.80/x
  3. Step 3: Cross multiply
    1,046,591,999.20x = 1,569,887,998.80 × 319,486,232.80
  4. Step 4: Simplify right side
    1,046,591,999.20x = 501,557,602,654,542,912
  5. Step 5: Solve for x
    x = 501,557,602,654,542,912/1,046,591,999.20
  6. Step 6: Final answer
    x = 479,229,349.20

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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.