Home / 480,169,506.68-662,431,011.18-321,450,763.44

Finding the Fourth Proportional to 480,169,506.68, 662,431,011.18 and 321,450,763.44

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Solution

The fourth proportional to 480,169,506.68, 662,431,011.18 and 321,450,763.44 is: 443,466,216.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,169,506.68 : 662,431,011.18 = 321,450,763.44 : x
  2. Step 2: Convert to fraction form
    480,169,506.68/662,431,011.18 = 321,450,763.44/x
  3. Step 3: Cross multiply
    480,169,506.68x = 662,431,011.18 × 321,450,763.44
  4. Step 4: Simplify right side
    480,169,506.68x = 212,938,954,270,142,144
  5. Step 5: Solve for x
    x = 212,938,954,270,142,144/480,169,506.68
  6. Step 6: Final answer
    x = 443,466,216.22

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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.