Home / 699,222,049.70-964,926,523.08-385,956,322.79

Finding the Fourth Proportional to 699,222,049.70, 964,926,523.08 and 385,956,322.79

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Solution

The fourth proportional to 699,222,049.70, 964,926,523.08 and 385,956,322.79 is: 532,619,777.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,222,049.70 : 964,926,523.08 = 385,956,322.79 : x
  2. Step 2: Convert to fraction form
    699,222,049.70/964,926,523.08 = 385,956,322.79/x
  3. Step 3: Cross multiply
    699,222,049.70x = 964,926,523.08 × 385,956,322.79
  4. Step 4: Simplify right side
    699,222,049.70x = 372,419,492,605,672,256
  5. Step 5: Solve for x
    x = 372,419,492,605,672,256/699,222,049.70
  6. Step 6: Final answer
    x = 532,619,777.61

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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.