Home / 448,492,614.45-672,738,921.68-327,560,262.45

Finding the Fourth Proportional to 448,492,614.45, 672,738,921.68 and 327,560,262.45

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Solution

The fourth proportional to 448,492,614.45, 672,738,921.68 and 327,560,262.45 is: 491,340,393.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,492,614.45 : 672,738,921.68 = 327,560,262.45 : x
  2. Step 2: Convert to fraction form
    448,492,614.45/672,738,921.68 = 327,560,262.45/x
  3. Step 3: Cross multiply
    448,492,614.45x = 672,738,921.68 × 327,560,262.45
  4. Step 4: Simplify right side
    448,492,614.45x = 220,362,537,744,192,960
  5. Step 5: Solve for x
    x = 220,362,537,744,192,960/448,492,614.45
  6. Step 6: Final answer
    x = 491,340,393.68

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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.