Home / 521,461,570.10-782,192,355.15-327,509,224.70

Finding the Fourth Proportional to 521,461,570.10, 782,192,355.15 and 327,509,224.70

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Solution

The fourth proportional to 521,461,570.10, 782,192,355.15 and 327,509,224.70 is: 491,263,837.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,461,570.10 : 782,192,355.15 = 327,509,224.70 : x
  2. Step 2: Convert to fraction form
    521,461,570.10/782,192,355.15 = 327,509,224.70/x
  3. Step 3: Cross multiply
    521,461,570.10x = 782,192,355.15 × 327,509,224.70
  4. Step 4: Simplify right side
    521,461,570.10x = 256,175,211,801,443,520
  5. Step 5: Solve for x
    x = 256,175,211,801,443,520/521,461,570.10
  6. Step 6: Final answer
    x = 491,263,837.05

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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.