Home / 699,222,045.20-964,926,516.85-385,956,318.29

Finding the Fourth Proportional to 699,222,045.20, 964,926,516.85 and 385,956,318.29

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Solution

The fourth proportional to 699,222,045.20, 964,926,516.85 and 385,956,318.29 is: 532,619,771.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,222,045.20 : 964,926,516.85 = 385,956,318.29 : x
  2. Step 2: Convert to fraction form
    699,222,045.20/964,926,516.85 = 385,956,318.29/x
  3. Step 3: Cross multiply
    699,222,045.20x = 964,926,516.85 × 385,956,318.29
  4. Step 4: Simplify right side
    699,222,045.20x = 372,419,485,858,030,144
  5. Step 5: Solve for x
    x = 372,419,485,858,030,144/699,222,045.20
  6. Step 6: Final answer
    x = 532,619,771.38

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1.5x scale

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.