Home / 1,631,654,879.60-2,447,479,257.24-511,264,305.20

Finding the Fourth Proportional to 1,631,654,879.60, 2,447,479,257.24 and 511,264,305.20

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Solution

The fourth proportional to 1,631,654,879.60, 2,447,479,257.24 and 511,264,305.20 is: 766,895,498.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,631,654,879.60 : 2,447,479,257.24 = 511,264,305.20 : x
  2. Step 2: Convert to fraction form
    1,631,654,879.60/2,447,479,257.24 = 511,264,305.20/x
  3. Step 3: Cross multiply
    1,631,654,879.60x = 2,447,479,257.24 × 511,264,305.20
  4. Step 4: Simplify right side
    1,631,654,879.60x = 1,251,308,781,944,220,416
  5. Step 5: Solve for x
    x = 1,251,308,781,944,220,416/1,631,654,879.60
  6. Step 6: Final answer
    x = 766,895,498.30

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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.