Home / 561,847,040.11-775,343,204.62-310,951,919.89

Finding the Fourth Proportional to 561,847,040.11, 775,343,204.62 and 310,951,919.89

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Solution

The fourth proportional to 561,847,040.11, 775,343,204.62 and 310,951,919.89 is: 429,110,488.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,847,040.11 : 775,343,204.62 = 310,951,919.89 : x
  2. Step 2: Convert to fraction form
    561,847,040.11/775,343,204.62 = 310,951,919.89/x
  3. Step 3: Cross multiply
    561,847,040.11x = 775,343,204.62 × 310,951,919.89
  4. Step 4: Simplify right side
    561,847,040.11x = 241,094,458,050,254,112
  5. Step 5: Solve for x
    x = 241,094,458,050,254,112/561,847,040.11
  6. Step 6: Final answer
    x = 429,110,488.87

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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.