Home / 527,043,853.88-727,320,503.90-292,129,807.66

Finding the Fourth Proportional to 527,043,853.88, 727,320,503.90 and 292,129,807.66

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Solution

The fourth proportional to 527,043,853.88, 727,320,503.90 and 292,129,807.66 is: 403,139,126.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,043,853.88 : 727,320,503.90 = 292,129,807.66 : x
  2. Step 2: Convert to fraction form
    527,043,853.88/727,320,503.90 = 292,129,807.66/x
  3. Step 3: Cross multiply
    527,043,853.88x = 727,320,503.90 × 292,129,807.66
  4. Step 4: Simplify right side
    527,043,853.88x = 212,471,998,911,481,280
  5. Step 5: Solve for x
    x = 212,471,998,911,481,280/527,043,853.88
  6. Step 6: Final answer
    x = 403,139,126.56

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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.