Home / 829,377,376.92-1,244,251,625.04-311,812,302.24

Finding the Fourth Proportional to 829,377,376.92, 1,244,251,625.04 and 311,812,302.24

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Solution

The fourth proportional to 829,377,376.92, 1,244,251,625.04 and 311,812,302.24 is: 467,788,216.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,377,376.92 : 1,244,251,625.04 = 311,812,302.24 : x
  2. Step 2: Convert to fraction form
    829,377,376.92/1,244,251,625.04 = 311,812,302.24/x
  3. Step 3: Cross multiply
    829,377,376.92x = 1,244,251,625.04 × 311,812,302.24
  4. Step 4: Simplify right side
    829,377,376.92x = 387,972,963,769,583,616
  5. Step 5: Solve for x
    x = 387,972,963,769,583,616/829,377,376.92
  6. Step 6: Final answer
    x = 467,788,216.28

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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.