Home / 728,326,044.60-1,092,111,153.30-268,027,279.80

Finding the Fourth Proportional to 728,326,044.60, 1,092,111,153.30 and 268,027,279.80

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Solution

The fourth proportional to 728,326,044.60, 1,092,111,153.30 and 268,027,279.80 is: 401,901,845.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,326,044.60 : 1,092,111,153.30 = 268,027,279.80 : x
  2. Step 2: Convert to fraction form
    728,326,044.60/1,092,111,153.30 = 268,027,279.80/x
  3. Step 3: Cross multiply
    728,326,044.60x = 1,092,111,153.30 × 268,027,279.80
  4. Step 4: Simplify right side
    728,326,044.60x = 292,715,581,658,239,808
  5. Step 5: Solve for x
    x = 292,715,581,658,239,808/728,326,044.60
  6. Step 6: Final answer
    x = 401,901,845.79

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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.