Home / 1,321,602,415.65-1,823,863,371.36-726,942,231.90

Finding the Fourth Proportional to 1,321,602,415.65, 1,823,863,371.36 and 726,942,231.90

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Solution

The fourth proportional to 1,321,602,415.65, 1,823,863,371.36 and 726,942,231.90 is: 1,003,208,903.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,602,415.65 : 1,823,863,371.36 = 726,942,231.90 : x
  2. Step 2: Convert to fraction form
    1,321,602,415.65/1,823,863,371.36 = 726,942,231.90/x
  3. Step 3: Cross multiply
    1,321,602,415.65x = 1,823,863,371.36 × 726,942,231.90
  4. Step 4: Simplify right side
    1,321,602,415.65x = 1,325,843,309,857,096,704
  5. Step 5: Solve for x
    x = 1,325,843,309,857,096,704/1,321,602,415.65
  6. Step 6: Final answer
    x = 1,003,208,903.19

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Double scale
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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.