Home / 448,495,333.70-672,743,000.55-327,562,981.70

Finding the Fourth Proportional to 448,495,333.70, 672,743,000.55 and 327,562,981.70

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Solution

The fourth proportional to 448,495,333.70, 672,743,000.55 and 327,562,981.70 is: 491,344,472.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,495,333.70 : 672,743,000.55 = 327,562,981.70 : x
  2. Step 2: Convert to fraction form
    448,495,333.70/672,743,000.55 = 327,562,981.70/x
  3. Step 3: Cross multiply
    448,495,333.70x = 672,743,000.55 × 327,562,981.70
  4. Step 4: Simplify right side
    448,495,333.70x = 220,365,703,177,962,720
  5. Step 5: Solve for x
    x = 220,365,703,177,962,720/448,495,333.70
  6. Step 6: Final answer
    x = 491,344,472.55

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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.