Home / 480,169,504.68-662,431,008.42-321,450,761.43

Finding the Fourth Proportional to 480,169,504.68, 662,431,008.42 and 321,450,761.43

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Solution

The fourth proportional to 480,169,504.68, 662,431,008.42 and 321,450,761.43 is: 443,466,213.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,169,504.68 : 662,431,008.42 = 321,450,761.43 : x
  2. Step 2: Convert to fraction form
    480,169,504.68/662,431,008.42 = 321,450,761.43/x
  3. Step 3: Cross multiply
    480,169,504.68x = 662,431,008.42 × 321,450,761.43
  4. Step 4: Simplify right side
    480,169,504.68x = 212,938,952,051,451,744
  5. Step 5: Solve for x
    x = 212,938,952,051,451,744/480,169,504.68
  6. Step 6: Final answer
    x = 443,466,213.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.