Home / 625,515,804.60-938,609,630.10-262,046,902.20

Finding the Fourth Proportional to 625,515,804.60, 938,609,630.10 and 262,046,902.20

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Solution

The fourth proportional to 625,515,804.60, 938,609,630.10 and 262,046,902.20 is: 393,211,081.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,515,804.60 : 938,609,630.10 = 262,046,902.20 : x
  2. Step 2: Convert to fraction form
    625,515,804.60/938,609,630.10 = 262,046,902.20/x
  3. Step 3: Cross multiply
    625,515,804.60x = 938,609,630.10 × 262,046,902.20
  4. Step 4: Simplify right side
    625,515,804.60x = 245,959,745,942,792,864
  5. Step 5: Solve for x
    x = 245,959,745,942,792,864/625,515,804.60
  6. Step 6: Final answer
    x = 393,211,081.37

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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.