Home / 845,874,900.91-1,269,072,120.85-403,781,713.73

Finding the Fourth Proportional to 845,874,900.91, 1,269,072,120.85 and 403,781,713.73

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Solution

The fourth proportional to 845,874,900.91, 1,269,072,120.85 and 403,781,713.73 is: 605,796,572.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,874,900.91 : 1,269,072,120.85 = 403,781,713.73 : x
  2. Step 2: Convert to fraction form
    845,874,900.91/1,269,072,120.85 = 403,781,713.73/x
  3. Step 3: Cross multiply
    845,874,900.91x = 1,269,072,120.85 × 403,781,713.73
  4. Step 4: Simplify right side
    845,874,900.91x = 512,428,115,801,182,912
  5. Step 5: Solve for x
    x = 512,428,115,801,182,912/845,874,900.91
  6. Step 6: Final answer
    x = 605,796,572.58

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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.