Home / 1,291,633,476.60-1,935,876,208.05-669,505,723.73

Finding the Fourth Proportional to 1,291,633,476.60, 1,935,876,208.05 and 669,505,723.73

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Solution

The fourth proportional to 1,291,633,476.60, 1,935,876,208.05 and 669,505,723.73 is: 1,003,442,714.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,291,633,476.60 : 1,935,876,208.05 = 669,505,723.73 : x
  2. Step 2: Convert to fraction form
    1,291,633,476.60/1,935,876,208.05 = 669,505,723.73/x
  3. Step 3: Cross multiply
    1,291,633,476.60x = 1,935,876,208.05 × 669,505,723.73
  4. Step 4: Simplify right side
    1,291,633,476.60x = 1,296,080,201,722,203,392
  5. Step 5: Solve for x
    x = 1,296,080,201,722,203,392/1,291,633,476.60
  6. Step 6: Final answer
    x = 1,003,442,714.36

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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.