Home / 556,753,340.61-768,234,200.94-321,758,622.03

Finding the Fourth Proportional to 556,753,340.61, 768,234,200.94 and 321,758,622.03

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Solution

The fourth proportional to 556,753,340.61, 768,234,200.94 and 321,758,622.03 is: 443,977,538.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,753,340.61 : 768,234,200.94 = 321,758,622.03 : x
  2. Step 2: Convert to fraction form
    556,753,340.61/768,234,200.94 = 321,758,622.03/x
  3. Step 3: Cross multiply
    556,753,340.61x = 768,234,200.94 × 321,758,622.03
  4. Step 4: Simplify right side
    556,753,340.61x = 247,185,977,890,772,512
  5. Step 5: Solve for x
    x = 247,185,977,890,772,512/556,753,340.61
  6. Step 6: Final answer
    x = 443,977,538.81

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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.