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Finding the Fourth Proportional to 266,771,323.60, 400,057,452.60 and 105,179,822.80

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Solution

The fourth proportional to 266,771,323.60, 400,057,452.60 and 105,179,822.80 is: 157,730,491.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,771,323.60 : 400,057,452.60 = 105,179,822.80 : x
  2. Step 2: Convert to fraction form
    266,771,323.60/400,057,452.60 = 105,179,822.80/x
  3. Step 3: Cross multiply
    266,771,323.60x = 400,057,452.60 × 105,179,822.80
  4. Step 4: Simplify right side
    266,771,323.60x = 42,077,971,974,287,400
  5. Step 5: Solve for x
    x = 42,077,971,974,287,400/266,771,323.60
  6. Step 6: Final answer
    x = 157,730,491.44

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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.