Home / 728,326,050.60-1,092,111,162.30-268,027,285.80

Finding the Fourth Proportional to 728,326,050.60, 1,092,111,162.30 and 268,027,285.80

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Solution

The fourth proportional to 728,326,050.60, 1,092,111,162.30 and 268,027,285.80 is: 401,901,854.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,326,050.60 : 1,092,111,162.30 = 268,027,285.80 : x
  2. Step 2: Convert to fraction form
    728,326,050.60/1,092,111,162.30 = 268,027,285.80/x
  3. Step 3: Cross multiply
    728,326,050.60x = 1,092,111,162.30 × 268,027,285.80
  4. Step 4: Simplify right side
    728,326,050.60x = 292,715,590,623,152,256
  5. Step 5: Solve for x
    x = 292,715,590,623,152,256/728,326,050.60
  6. Step 6: Final answer
    x = 401,901,854.78

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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.