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Finding the Fourth Proportional to 267,677,566.40, 400,620,554.40 and 187,055,998.40

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Solution

The fourth proportional to 267,677,566.40, 400,620,554.40 and 187,055,998.40 is: 279,958,006.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,677,566.40 : 400,620,554.40 = 187,055,998.40 : x
  2. Step 2: Convert to fraction form
    267,677,566.40/400,620,554.40 = 187,055,998.40/x
  3. Step 3: Cross multiply
    267,677,566.40x = 400,620,554.40 × 187,055,998.40
  4. Step 4: Simplify right side
    267,677,566.40x = 74,938,477,782,853,504
  5. Step 5: Solve for x
    x = 74,938,477,782,853,504/267,677,566.40
  6. Step 6: Final answer
    x = 279,958,006.16

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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.