Home / 527,705,817.66-727,931,469.78-329,122,548.06

Finding the Fourth Proportional to 527,705,817.66, 727,931,469.78 and 329,122,548.06

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Solution

The fourth proportional to 527,705,817.66, 727,931,469.78 and 329,122,548.06 is: 454,000,414.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,705,817.66 : 727,931,469.78 = 329,122,548.06 : x
  2. Step 2: Convert to fraction form
    527,705,817.66/727,931,469.78 = 329,122,548.06/x
  3. Step 3: Cross multiply
    527,705,817.66x = 727,931,469.78 × 329,122,548.06
  4. Step 4: Simplify right side
    527,705,817.66x = 239,578,660,147,054,464
  5. Step 5: Solve for x
    x = 239,578,660,147,054,464/527,705,817.66
  6. Step 6: Final answer
    x = 454,000,414.87

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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.