Home / 460,923,285.05-691,611,917.90-215,244,213.96

Finding the Fourth Proportional to 460,923,285.05, 691,611,917.90 and 215,244,213.96

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Solution

The fourth proportional to 460,923,285.05, 691,611,917.90 and 215,244,213.96 is: 322,972,322.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,923,285.05 : 691,611,917.90 = 215,244,213.96 : x
  2. Step 2: Convert to fraction form
    460,923,285.05/691,611,917.90 = 215,244,213.96/x
  3. Step 3: Cross multiply
    460,923,285.05x = 691,611,917.90 × 215,244,213.96
  4. Step 4: Simplify right side
    460,923,285.05x = 148,865,463,635,813,184
  5. Step 5: Solve for x
    x = 148,865,463,635,813,184/460,923,285.05
  6. Step 6: Final answer
    x = 322,972,322.00

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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.