Home / 7,185,192,329.20-10,777,788,493.80-6,647,715,209.20

Finding the Fourth Proportional to 7,185,192,329.20, 10,777,788,493.80 and 6,647,715,209.20

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Solution

The fourth proportional to 7,185,192,329.20, 10,777,788,493.80 and 6,647,715,209.20 is: 9,971,572,813.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,185,192,329.20 : 10,777,788,493.80 = 6,647,715,209.20 : x
  2. Step 2: Convert to fraction form
    7,185,192,329.20/10,777,788,493.80 = 6,647,715,209.20/x
  3. Step 3: Cross multiply
    7,185,192,329.20x = 10,777,788,493.80 × 6,647,715,209.20
  4. Step 4: Simplify right side
    7,185,192,329.20x = 71,647,668,491,775,008,768
  5. Step 5: Solve for x
    x = 71,647,668,491,775,008,768/7,185,192,329.20
  6. Step 6: Final answer
    x = 9,971,572,813.80

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.