Home / 527,982,424.56-728,604,785.88-293,019,438.96

Finding the Fourth Proportional to 527,982,424.56, 728,604,785.88 and 293,019,438.96

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Solution

The fourth proportional to 527,982,424.56, 728,604,785.88 and 293,019,438.96 is: 404,360,743.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,982,424.56 : 728,604,785.88 = 293,019,438.96 : x
  2. Step 2: Convert to fraction form
    527,982,424.56/728,604,785.88 = 293,019,438.96/x
  3. Step 3: Cross multiply
    527,982,424.56x = 728,604,785.88 × 293,019,438.96
  4. Step 4: Simplify right side
    527,982,424.56x = 213,495,365,582,128,512
  5. Step 5: Solve for x
    x = 213,495,365,582,128,512/527,982,424.56
  6. Step 6: Final answer
    x = 404,360,743.18

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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.