Home / 805,407,133.82-1,110,832,183.44-523,240,488.18

Finding the Fourth Proportional to 805,407,133.82, 1,110,832,183.44 and 523,240,488.18

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Solution

The fourth proportional to 805,407,133.82, 1,110,832,183.44 and 523,240,488.18 is: 721,662,808.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,407,133.82 : 1,110,832,183.44 = 523,240,488.18 : x
  2. Step 2: Convert to fraction form
    805,407,133.82/1,110,832,183.44 = 523,240,488.18/x
  3. Step 3: Cross multiply
    805,407,133.82x = 1,110,832,183.44 × 523,240,488.18
  4. Step 4: Simplify right side
    805,407,133.82x = 581,232,373,949,200,896
  5. Step 5: Solve for x
    x = 581,232,373,949,200,896/805,407,133.82
  6. Step 6: Final answer
    x = 721,662,808.22

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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.