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Finding the Fourth Proportional to 533,142,448.20, 799,713,672.30 and 447,049,006.20

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Solution

The fourth proportional to 533,142,448.20, 799,713,672.30 and 447,049,006.20 is: 670,573,509.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,142,448.20 : 799,713,672.30 = 447,049,006.20 : x
  2. Step 2: Convert to fraction form
    533,142,448.20/799,713,672.30 = 447,049,006.20/x
  3. Step 3: Cross multiply
    533,142,448.20x = 799,713,672.30 × 447,049,006.20
  4. Step 4: Simplify right side
    533,142,448.20x = 357,511,202,446,267,456
  5. Step 5: Solve for x
    x = 357,511,202,446,267,456/533,142,448.20
  6. Step 6: Final answer
    x = 670,573,509.30

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