Home / 1,728,887,633.67-2,385,865,704.75-935,933,587.12

Finding the Fourth Proportional to 1,728,887,633.67, 2,385,865,704.75 and 935,933,587.12

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Solution

The fourth proportional to 1,728,887,633.67, 2,385,865,704.75 and 935,933,587.12 is: 1,291,588,767.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,728,887,633.67 : 2,385,865,704.75 = 935,933,587.12 : x
  2. Step 2: Convert to fraction form
    1,728,887,633.67/2,385,865,704.75 = 935,933,587.12/x
  3. Step 3: Cross multiply
    1,728,887,633.67x = 2,385,865,704.75 × 935,933,587.12
  4. Step 4: Simplify right side
    1,728,887,633.67x = 2,233,011,847,434,539,008
  5. Step 5: Solve for x
    x = 2,233,011,847,434,539,008/1,728,887,633.67
  6. Step 6: Final answer
    x = 1,291,588,767.22

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Double scale
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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.