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Finding the Fourth Proportional to 266,936,352.60, 400,404,528.90 and 113,587,411.80

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Solution

The fourth proportional to 266,936,352.60, 400,404,528.90 and 113,587,411.80 is: 170,381,117.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,936,352.60 : 400,404,528.90 = 113,587,411.80 : x
  2. Step 2: Convert to fraction form
    266,936,352.60/400,404,528.90 = 113,587,411.80/x
  3. Step 3: Cross multiply
    266,936,352.60x = 400,404,528.90 × 113,587,411.80
  4. Step 4: Simplify right side
    266,936,352.60x = 45,480,914,110,749,296
  5. Step 5: Solve for x
    x = 45,480,914,110,749,296/266,936,352.60
  6. Step 6: Final answer
    x = 170,381,117.70

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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.