Home / 480,168,599.81-662,429,761.81-321,449,855.94

Finding the Fourth Proportional to 480,168,599.81, 662,429,761.81 and 321,449,855.94

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Solution

The fourth proportional to 480,168,599.81, 662,429,761.81 and 321,449,855.94 is: 443,464,965.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,168,599.81 : 662,429,761.81 = 321,449,855.94 : x
  2. Step 2: Convert to fraction form
    480,168,599.81/662,429,761.81 = 321,449,855.94/x
  3. Step 3: Cross multiply
    480,168,599.81x = 662,429,761.81 × 321,449,855.94
  4. Step 4: Simplify right side
    480,168,599.81x = 212,937,951,503,389,376
  5. Step 5: Solve for x
    x = 212,937,951,503,389,376/480,168,599.81
  6. Step 6: Final answer
    x = 443,464,965.41

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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.