Home / 452,154,209.40-678,231,314.10-448,327,834.20

Finding the Fourth Proportional to 452,154,209.40, 678,231,314.10 and 448,327,834.20

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Solution

The fourth proportional to 452,154,209.40, 678,231,314.10 and 448,327,834.20 is: 672,491,751.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,154,209.40 : 678,231,314.10 = 448,327,834.20 : x
  2. Step 2: Convert to fraction form
    452,154,209.40/678,231,314.10 = 448,327,834.20/x
  3. Step 3: Cross multiply
    452,154,209.40x = 678,231,314.10 × 448,327,834.20
  4. Step 4: Simplify right side
    452,154,209.40x = 304,069,976,137,072,896
  5. Step 5: Solve for x
    x = 304,069,976,137,072,896/452,154,209.40
  6. Step 6: Final answer
    x = 672,491,751.30

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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.