Home / 669,131,787.33-923,426,787.06-401,251,233.42

Finding the Fourth Proportional to 669,131,787.33, 923,426,787.06 and 401,251,233.42

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Solution

The fourth proportional to 669,131,787.33, 923,426,787.06 and 401,251,233.42 is: 553,741,645.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,131,787.33 : 923,426,787.06 = 401,251,233.42 : x
  2. Step 2: Convert to fraction form
    669,131,787.33/923,426,787.06 = 401,251,233.42/x
  3. Step 3: Cross multiply
    669,131,787.33x = 923,426,787.06 × 401,251,233.42
  4. Step 4: Simplify right side
    669,131,787.33x = 370,526,137,280,892,672
  5. Step 5: Solve for x
    x = 370,526,137,280,892,672/669,131,787.33
  6. Step 6: Final answer
    x = 553,741,645.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.