Home / 399,227,625.90-597,945,643.65-327,564,009.90

Finding the Fourth Proportional to 399,227,625.90, 597,945,643.65 and 327,564,009.90

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Solution

The fourth proportional to 399,227,625.90, 597,945,643.65 and 327,564,009.90 is: 490,611,019.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,227,625.90 : 597,945,643.65 = 327,564,009.90 : x
  2. Step 2: Convert to fraction form
    399,227,625.90/597,945,643.65 = 327,564,009.90/x
  3. Step 3: Cross multiply
    399,227,625.90x = 597,945,643.65 × 327,564,009.90
  4. Step 4: Simplify right side
    399,227,625.90x = 195,865,472,736,230,464
  5. Step 5: Solve for x
    x = 195,865,472,736,230,464/399,227,625.90
  6. Step 6: Final answer
    x = 490,611,019.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.