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Finding the Fourth Proportional to 267,509,968.20, 401,264,952.30 and 226,695,299.40

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Solution

The fourth proportional to 267,509,968.20, 401,264,952.30 and 226,695,299.40 is: 340,042,949.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,509,968.20 : 401,264,952.30 = 226,695,299.40 : x
  2. Step 2: Convert to fraction form
    267,509,968.20/401,264,952.30 = 226,695,299.40/x
  3. Step 3: Cross multiply
    267,509,968.20x = 401,264,952.30 × 226,695,299.40
  4. Step 4: Simplify right side
    267,509,968.20x = 90,964,878,500,375,216
  5. Step 5: Solve for x
    x = 90,964,878,500,375,216/267,509,968.20
  6. Step 6: Final answer
    x = 340,042,949.10

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1.5x scale

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.