Home / 527,043,850.86-727,320,499.77-292,129,804.65

Finding the Fourth Proportional to 527,043,850.86, 727,320,499.77 and 292,129,804.65

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Solution

The fourth proportional to 527,043,850.86, 727,320,499.77 and 292,129,804.65 is: 403,139,122.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,043,850.86 : 727,320,499.77 = 292,129,804.65 : x
  2. Step 2: Convert to fraction form
    527,043,850.86/727,320,499.77 = 292,129,804.65/x
  3. Step 3: Cross multiply
    527,043,850.86x = 727,320,499.77 × 292,129,804.65
  4. Step 4: Simplify right side
    527,043,850.86x = 212,471,995,515,750,432
  5. Step 5: Solve for x
    x = 212,471,995,515,750,432/527,043,850.86
  6. Step 6: Final answer
    x = 403,139,122.43

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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.