Home / 658,600,220.19-988,007,755.73-270,318,840.51

Finding the Fourth Proportional to 658,600,220.19, 988,007,755.73 and 270,318,840.51

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Solution

The fourth proportional to 658,600,220.19, 988,007,755.73 and 270,318,840.51 is: 405,522,352.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,600,220.19 : 988,007,755.73 = 270,318,840.51 : x
  2. Step 2: Convert to fraction form
    658,600,220.19/988,007,755.73 = 270,318,840.51/x
  3. Step 3: Cross multiply
    658,600,220.19x = 988,007,755.73 × 270,318,840.51
  4. Step 4: Simplify right side
    658,600,220.19x = 267,077,110,942,469,312
  5. Step 5: Solve for x
    x = 267,077,110,942,469,312/658,600,220.19
  6. Step 6: Final answer
    x = 405,522,352.95

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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.