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Finding the Fourth Proportional to 637,949,173.12, 880,369,723.20 and 344,593,744

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Solution

The fourth proportional to 637,949,173.12, 880,369,723.20 and 344,593,744 is: 475,539,293.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,949,173.12 : 880,369,723.20 = 344,593,744 : x
  2. Step 2: Convert to fraction form
    637,949,173.12/880,369,723.20 = 344,593,744/x
  3. Step 3: Cross multiply
    637,949,173.12x = 880,369,723.20 × 344,593,744
  4. Step 4: Simplify right side
    637,949,173.12x = 303,369,899,021,731,648
  5. Step 5: Solve for x
    x = 303,369,899,021,731,648/637,949,173.12
  6. Step 6: Final answer
    x = 475,539,293.42

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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.