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Finding the Fourth Proportional to 448,794,064.80, 672,624,226.80 and 218,266,768.80

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Solution

The fourth proportional to 448,794,064.80, 672,624,226.80 and 218,266,768.80 is: 327,124,461.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,794,064.80 : 672,624,226.80 = 218,266,768.80 : x
  2. Step 2: Convert to fraction form
    448,794,064.80/672,624,226.80 = 218,266,768.80/x
  3. Step 3: Cross multiply
    448,794,064.80x = 672,624,226.80 × 218,266,768.80
  4. Step 4: Simplify right side
    448,794,064.80x = 146,811,516,600,234,368
  5. Step 5: Solve for x
    x = 146,811,516,600,234,368/448,794,064.80
  6. Step 6: Final answer
    x = 327,124,461.12

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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.