Home / 448,492,511.45-672,738,767.18-327,560,159.45

Finding the Fourth Proportional to 448,492,511.45, 672,738,767.18 and 327,560,159.45

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Solution

The fourth proportional to 448,492,511.45, 672,738,767.18 and 327,560,159.45 is: 491,340,239.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,492,511.45 : 672,738,767.18 = 327,560,159.45 : x
  2. Step 2: Convert to fraction form
    448,492,511.45/672,738,767.18 = 327,560,159.45/x
  3. Step 3: Cross multiply
    448,492,511.45x = 672,738,767.18 × 327,560,159.45
  4. Step 4: Simplify right side
    448,492,511.45x = 220,362,417,844,039,392
  5. Step 5: Solve for x
    x = 220,362,417,844,039,392/448,492,511.45
  6. Step 6: Final answer
    x = 491,340,239.18

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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.