Home / 527,043,899.97-727,320,567.47-292,129,853.76

Finding the Fourth Proportional to 527,043,899.97, 727,320,567.47 and 292,129,853.76

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Solution

The fourth proportional to 527,043,899.97, 727,320,567.47 and 292,129,853.76 is: 403,139,190.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,043,899.97 : 727,320,567.47 = 292,129,853.76 : x
  2. Step 2: Convert to fraction form
    527,043,899.97/727,320,567.47 = 292,129,853.76/x
  3. Step 3: Cross multiply
    527,043,899.97x = 727,320,567.47 × 292,129,853.76
  4. Step 4: Simplify right side
    527,043,899.97x = 212,472,051,010,190,656
  5. Step 5: Solve for x
    x = 212,472,051,010,190,656/527,043,899.97
  6. Step 6: Final answer
    x = 403,139,190.16

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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.