Home / 805,407,134.82-1,110,832,184.82-523,240,489.18

Finding the Fourth Proportional to 805,407,134.82, 1,110,832,184.82 and 523,240,489.18

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Solution

The fourth proportional to 805,407,134.82, 1,110,832,184.82 and 523,240,489.18 is: 721,662,809.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,407,134.82 : 1,110,832,184.82 = 523,240,489.18 : x
  2. Step 2: Convert to fraction form
    805,407,134.82/1,110,832,184.82 = 523,240,489.18/x
  3. Step 3: Cross multiply
    805,407,134.82x = 1,110,832,184.82 × 523,240,489.18
  4. Step 4: Simplify right side
    805,407,134.82x = 581,232,375,782,104,960
  5. Step 5: Solve for x
    x = 581,232,375,782,104,960/805,407,134.82
  6. Step 6: Final answer
    x = 721,662,809.60

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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.