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Finding the Fourth Proportional to 266,936,409.60, 400,404,614.40 and 113,587,468.80

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Solution

The fourth proportional to 266,936,409.60, 400,404,614.40 and 113,587,468.80 is: 170,381,203.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,936,409.60 : 400,404,614.40 = 113,587,468.80 : x
  2. Step 2: Convert to fraction form
    266,936,409.60/400,404,614.40 = 113,587,468.80/x
  3. Step 3: Cross multiply
    266,936,409.60x = 400,404,614.40 × 113,587,468.80
  4. Step 4: Simplify right side
    266,936,409.60x = 45,480,946,645,536,024
  5. Step 5: Solve for x
    x = 45,480,946,645,536,024/266,936,409.60
  6. Step 6: Final answer
    x = 170,381,203.20

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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.