Home / 448,492,730.70-672,739,096.05-327,560,378.70

Finding the Fourth Proportional to 448,492,730.70, 672,739,096.05 and 327,560,378.70

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Solution

The fourth proportional to 448,492,730.70, 672,739,096.05 and 327,560,378.70 is: 491,340,568.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,492,730.70 : 672,739,096.05 = 327,560,378.70 : x
  2. Step 2: Convert to fraction form
    448,492,730.70/672,739,096.05 = 327,560,378.70/x
  3. Step 3: Cross multiply
    448,492,730.70x = 672,739,096.05 × 327,560,378.70
  4. Step 4: Simplify right side
    448,492,730.70x = 220,362,673,068,433,664
  5. Step 5: Solve for x
    x = 220,362,673,068,433,664/448,492,730.70
  6. Step 6: Final answer
    x = 491,340,568.05

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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.