Home / 432,412,787.07-649,653,938.09-277,270,553.66

Finding the Fourth Proportional to 432,412,787.07, 649,653,938.09 and 277,270,553.66

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Solution

The fourth proportional to 432,412,787.07, 649,653,938.09 and 277,270,553.66 is: 416,569,334.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,412,787.07 : 649,653,938.09 = 277,270,553.66 : x
  2. Step 2: Convert to fraction form
    432,412,787.07/649,653,938.09 = 277,270,553.66/x
  3. Step 3: Cross multiply
    432,412,787.07x = 649,653,938.09 × 277,270,553.66
  4. Step 4: Simplify right side
    432,412,787.07x = 180,129,907,098,018,784
  5. Step 5: Solve for x
    x = 180,129,907,098,018,784/432,412,787.07
  6. Step 6: Final answer
    x = 416,569,334.87

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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.