Home / 445,014,072.60-667,804,544.10-260,781,192.60

Finding the Fourth Proportional to 445,014,072.60, 667,804,544.10 and 260,781,192.60

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Solution

The fourth proportional to 445,014,072.60, 667,804,544.10 and 260,781,192.60 is: 391,337,883.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,014,072.60 : 667,804,544.10 = 260,781,192.60 : x
  2. Step 2: Convert to fraction form
    445,014,072.60/667,804,544.10 = 260,781,192.60/x
  3. Step 3: Cross multiply
    445,014,072.60x = 667,804,544.10 × 260,781,192.60
  4. Step 4: Simplify right side
    445,014,072.60x = 174,150,865,434,097,280
  5. Step 5: Solve for x
    x = 174,150,865,434,097,280/445,014,072.60
  6. Step 6: Final answer
    x = 391,337,883.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.