Home / 957,960,215.73-1,321,985,147.45-528,797,618.64

Finding the Fourth Proportional to 957,960,215.73, 1,321,985,147.45 and 528,797,618.64

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Solution

The fourth proportional to 957,960,215.73, 1,321,985,147.45 and 528,797,618.64 is: 729,740,741.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,960,215.73 : 1,321,985,147.45 = 528,797,618.64 : x
  2. Step 2: Convert to fraction form
    957,960,215.73/1,321,985,147.45 = 528,797,618.64/x
  3. Step 3: Cross multiply
    957,960,215.73x = 1,321,985,147.45 × 528,797,618.64
  4. Step 4: Simplify right side
    957,960,215.73x = 699,062,597,846,365,184
  5. Step 5: Solve for x
    x = 699,062,597,846,365,184/957,960,215.73
  6. Step 6: Final answer
    x = 729,740,741.18

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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.