Home / 825,391,178.31-1,139,044,778.91-449,050,465.32

Finding the Fourth Proportional to 825,391,178.31, 1,139,044,778.91 and 449,050,465.32

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Solution

The fourth proportional to 825,391,178.31, 1,139,044,778.91 and 449,050,465.32 is: 619,692,336.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,391,178.31 : 1,139,044,778.91 = 449,050,465.32 : x
  2. Step 2: Convert to fraction form
    825,391,178.31/1,139,044,778.91 = 449,050,465.32/x
  3. Step 3: Cross multiply
    825,391,178.31x = 1,139,044,778.91 × 449,050,465.32
  4. Step 4: Simplify right side
    825,391,178.31x = 511,488,587,989,852,032
  5. Step 5: Solve for x
    x = 511,488,587,989,852,032/825,391,178.31
  6. Step 6: Final answer
    x = 619,692,336.71

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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.