Home / 845,231,648.48-1,267,253,421.06-372,306,288.38

Finding the Fourth Proportional to 845,231,648.48, 1,267,253,421.06 and 372,306,288.38

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Solution

The fourth proportional to 845,231,648.48, 1,267,253,421.06 and 372,306,288.38 is: 558,197,765.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,231,648.48 : 1,267,253,421.06 = 372,306,288.38 : x
  2. Step 2: Convert to fraction form
    845,231,648.48/1,267,253,421.06 = 372,306,288.38/x
  3. Step 3: Cross multiply
    845,231,648.48x = 1,267,253,421.06 × 372,306,288.38
  4. Step 4: Simplify right side
    845,231,648.48x = 471,806,417,631,705,920
  5. Step 5: Solve for x
    x = 471,806,417,631,705,920/845,231,648.48
  6. Step 6: Final answer
    x = 558,197,765.64

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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.