Home / 917,741,086.31-1,375,631,391.41-523,418,950.19

Finding the Fourth Proportional to 917,741,086.31, 1,375,631,391.41 and 523,418,950.19

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Solution

The fourth proportional to 917,741,086.31, 1,375,631,391.41 and 523,418,950.19 is: 784,569,362.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,741,086.31 : 1,375,631,391.41 = 523,418,950.19 : x
  2. Step 2: Convert to fraction form
    917,741,086.31/1,375,631,391.41 = 523,418,950.19/x
  3. Step 3: Cross multiply
    917,741,086.31x = 1,375,631,391.41 × 523,418,950.19
  4. Step 4: Simplify right side
    917,741,086.31x = 720,031,538,737,883,520
  5. Step 5: Solve for x
    x = 720,031,538,737,883,520/917,741,086.31
  6. Step 6: Final answer
    x = 784,569,362.19

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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.