Home / 1,310,418,243.88-1,965,903,764.44-425,034,841.75

Finding the Fourth Proportional to 1,310,418,243.88, 1,965,903,764.44 and 425,034,841.75

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Solution

The fourth proportional to 1,310,418,243.88, 1,965,903,764.44 and 425,034,841.75 is: 637,641,912.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,418,243.88 : 1,965,903,764.44 = 425,034,841.75 : x
  2. Step 2: Convert to fraction form
    1,310,418,243.88/1,965,903,764.44 = 425,034,841.75/x
  3. Step 3: Cross multiply
    1,310,418,243.88x = 1,965,903,764.44 × 425,034,841.75
  4. Step 4: Simplify right side
    1,310,418,243.88x = 835,577,595,414,484,736
  5. Step 5: Solve for x
    x = 835,577,595,414,484,736/1,310,418,243.88
  6. Step 6: Final answer
    x = 637,641,912.66

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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.