Home / 671,047,691.72-925,568,789.85-447,916,873.46

Finding the Fourth Proportional to 671,047,691.72, 925,568,789.85 and 447,916,873.46

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Solution

The fourth proportional to 671,047,691.72, 925,568,789.85 and 447,916,873.46 is: 617,806,876.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,047,691.72 : 925,568,789.85 = 447,916,873.46 : x
  2. Step 2: Convert to fraction form
    671,047,691.72/925,568,789.85 = 447,916,873.46/x
  3. Step 3: Cross multiply
    671,047,691.72x = 925,568,789.85 × 447,916,873.46
  4. Step 4: Simplify right side
    671,047,691.72x = 414,577,878,517,139,904
  5. Step 5: Solve for x
    x = 414,577,878,517,139,904/671,047,691.72
  6. Step 6: Final answer
    x = 617,806,876.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.