Home / 699,801,942.86-965,729,969.11-382,266,586.27

Finding the Fourth Proportional to 699,801,942.86, 965,729,969.11 and 382,266,586.27

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Solution

The fourth proportional to 699,801,942.86, 965,729,969.11 and 382,266,586.27 is: 527,529,685.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,801,942.86 : 965,729,969.11 = 382,266,586.27 : x
  2. Step 2: Convert to fraction form
    699,801,942.86/965,729,969.11 = 382,266,586.27/x
  3. Step 3: Cross multiply
    699,801,942.86x = 965,729,969.11 × 382,266,586.27
  4. Step 4: Simplify right side
    699,801,942.86x = 369,166,298,552,008,704
  5. Step 5: Solve for x
    x = 369,166,298,552,008,704/699,801,942.86
  6. Step 6: Final answer
    x = 527,529,685.10

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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.