Home / 527,043,849.88-727,320,498.38-292,129,803.66

Finding the Fourth Proportional to 527,043,849.88, 727,320,498.38 and 292,129,803.66

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Solution

The fourth proportional to 527,043,849.88, 727,320,498.38 and 292,129,803.66 is: 403,139,121.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,043,849.88 : 727,320,498.38 = 292,129,803.66 : x
  2. Step 2: Convert to fraction form
    527,043,849.88/727,320,498.38 = 292,129,803.66/x
  3. Step 3: Cross multiply
    527,043,849.88x = 727,320,498.38 × 292,129,803.66
  4. Step 4: Simplify right side
    527,043,849.88x = 212,471,994,389,642,752
  5. Step 5: Solve for x
    x = 212,471,994,389,642,752/527,043,849.88
  6. Step 6: Final answer
    x = 403,139,121.04

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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.