Home / 527,043,852.06-727,320,501.41-292,129,805.85

Finding the Fourth Proportional to 527,043,852.06, 727,320,501.41 and 292,129,805.85

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Solution

The fourth proportional to 527,043,852.06, 727,320,501.41 and 292,129,805.85 is: 403,139,124.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,043,852.06 : 727,320,501.41 = 292,129,805.85 : x
  2. Step 2: Convert to fraction form
    527,043,852.06/727,320,501.41 = 292,129,805.85/x
  3. Step 3: Cross multiply
    527,043,852.06x = 727,320,501.41 × 292,129,805.85
  4. Step 4: Simplify right side
    527,043,852.06x = 212,471,996,867,627,968
  5. Step 5: Solve for x
    x = 212,471,996,867,627,968/527,043,852.06
  6. Step 6: Final answer
    x = 403,139,124.07

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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.