Home / 699,384,085.92-965,585,611.26-445,208,857.56

Finding the Fourth Proportional to 699,384,085.92, 965,585,611.26 and 445,208,857.56

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Solution

The fourth proportional to 699,384,085.92, 965,585,611.26 and 445,208,857.56 is: 614,665,497.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,384,085.92 : 965,585,611.26 = 445,208,857.56 : x
  2. Step 2: Convert to fraction form
    699,384,085.92/965,585,611.26 = 445,208,857.56/x
  3. Step 3: Cross multiply
    699,384,085.92x = 965,585,611.26 × 445,208,857.56
  4. Step 4: Simplify right side
    699,384,085.92x = 429,887,266,865,438,848
  5. Step 5: Solve for x
    x = 429,887,266,865,438,848/699,384,085.92
  6. Step 6: Final answer
    x = 614,665,497.14

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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.