Home / 480,169,500.68-662,431,002.90-321,450,757.44

Finding the Fourth Proportional to 480,169,500.68, 662,431,002.90 and 321,450,757.44

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Solution

The fourth proportional to 480,169,500.68, 662,431,002.90 and 321,450,757.44 is: 443,466,207.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,169,500.68 : 662,431,002.90 = 321,450,757.44 : x
  2. Step 2: Convert to fraction form
    480,169,500.68/662,431,002.90 = 321,450,757.44/x
  3. Step 3: Cross multiply
    480,169,500.68x = 662,431,002.90 × 321,450,757.44
  4. Step 4: Simplify right side
    480,169,500.68x = 212,938,947,633,943,840
  5. Step 5: Solve for x
    x = 212,938,947,633,943,840/480,169,500.68
  6. Step 6: Final answer
    x = 443,466,207.94

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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.