Home / 699,222,049.71-964,926,523.05-385,956,322.80

Finding the Fourth Proportional to 699,222,049.71, 964,926,523.05 and 385,956,322.80

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Solution

The fourth proportional to 699,222,049.71, 964,926,523.05 and 385,956,322.80 is: 532,619,777.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,222,049.71 : 964,926,523.05 = 385,956,322.80 : x
  2. Step 2: Convert to fraction form
    699,222,049.71/964,926,523.05 = 385,956,322.80/x
  3. Step 3: Cross multiply
    699,222,049.71x = 964,926,523.05 × 385,956,322.80
  4. Step 4: Simplify right side
    699,222,049.71x = 372,419,492,608,567,424
  5. Step 5: Solve for x
    x = 372,419,492,608,567,424/699,222,049.71
  6. Step 6: Final answer
    x = 532,619,777.60

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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.