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Finding the Fourth Proportional to 448,888,079.68, 672,736,866 and 230,529,601.60

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Solution

The fourth proportional to 448,888,079.68, 672,736,866 and 230,529,601.60 is: 345,488,705.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,888,079.68 : 672,736,866 = 230,529,601.60 : x
  2. Step 2: Convert to fraction form
    448,888,079.68/672,736,866 = 230,529,601.60/x
  3. Step 3: Cross multiply
    448,888,079.68x = 672,736,866 × 230,529,601.60
  4. Step 4: Simplify right side
    448,888,079.68x = 155,085,761,700,612,576
  5. Step 5: Solve for x
    x = 155,085,761,700,612,576/448,888,079.68
  6. Step 6: Final answer
    x = 345,488,705.81

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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.