Home / 1,279,552,586.60-1,919,541,456.30-503,223,573.80

Finding the Fourth Proportional to 1,279,552,586.60, 1,919,541,456.30 and 503,223,573.80

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Solution

The fourth proportional to 1,279,552,586.60, 1,919,541,456.30 and 503,223,573.80 is: 754,918,962.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,552,586.60 : 1,919,541,456.30 = 503,223,573.80 : x
  2. Step 2: Convert to fraction form
    1,279,552,586.60/1,919,541,456.30 = 503,223,573.80/x
  3. Step 3: Cross multiply
    1,279,552,586.60x = 1,919,541,456.30 × 503,223,573.80
  4. Step 4: Simplify right side
    1,279,552,586.60x = 965,958,511,696,542,464
  5. Step 5: Solve for x
    x = 965,958,511,696,542,464/1,279,552,586.60
  6. Step 6: Final answer
    x = 754,918,962.93

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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.