Home / 1,215,469,415.93-1,676,700,774.68-739,305,421.29

Finding the Fourth Proportional to 1,215,469,415.93, 1,676,700,774.68 and 739,305,421.29

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Solution

The fourth proportional to 1,215,469,415.93, 1,676,700,774.68 and 739,305,421.29 is: 1,019,847,933.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,469,415.93 : 1,676,700,774.68 = 739,305,421.29 : x
  2. Step 2: Convert to fraction form
    1,215,469,415.93/1,676,700,774.68 = 739,305,421.29/x
  3. Step 3: Cross multiply
    1,215,469,415.93x = 1,676,700,774.68 × 739,305,421.29
  4. Step 4: Simplify right side
    1,215,469,415.93x = 1,239,593,972,598,370,048
  5. Step 5: Solve for x
    x = 1,239,593,972,598,370,048/1,215,469,415.93
  6. Step 6: Final answer
    x = 1,019,847,933.94

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Double scale
Find fourth proportional to 1,215,469,416.93, 1,676,700,776.05 and 739,305,422.29
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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.