Home / 703,561,187.12-1,055,503,912.44-243,499,361.72

Finding the Fourth Proportional to 703,561,187.12, 1,055,503,912.44 and 243,499,361.72

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Solution

The fourth proportional to 703,561,187.12, 1,055,503,912.44 and 243,499,361.72 is: 365,305,155.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,561,187.12 : 1,055,503,912.44 = 243,499,361.72 : x
  2. Step 2: Convert to fraction form
    703,561,187.12/1,055,503,912.44 = 243,499,361.72/x
  3. Step 3: Cross multiply
    703,561,187.12x = 1,055,503,912.44 × 243,499,361.72
  4. Step 4: Simplify right side
    703,561,187.12x = 257,014,528,972,102,784
  5. Step 5: Solve for x
    x = 257,014,528,972,102,784/703,561,187.12
  6. Step 6: Final answer
    x = 365,305,155.65

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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.