Home / 527,044,370.46-727,321,300.21-292,110,198.72

Finding the Fourth Proportional to 527,044,370.46, 727,321,300.21 and 292,110,198.72

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Solution

The fourth proportional to 527,044,370.46, 727,321,300.21 and 292,110,198.72 is: 403,112,112.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,044,370.46 : 727,321,300.21 = 292,110,198.72 : x
  2. Step 2: Convert to fraction form
    527,044,370.46/727,321,300.21 = 292,110,198.72/x
  3. Step 3: Cross multiply
    527,044,370.46x = 727,321,300.21 × 292,110,198.72
  4. Step 4: Simplify right side
    527,044,370.46x = 212,457,969,537,631,904
  5. Step 5: Solve for x
    x = 212,457,969,537,631,904/527,044,370.46
  6. Step 6: Final answer
    x = 403,112,112.46

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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.