Home / 638,776,896.12-958,502,926.31-453,229,965.22

Finding the Fourth Proportional to 638,776,896.12, 958,502,926.31 and 453,229,965.22

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Solution

The fourth proportional to 638,776,896.12, 958,502,926.31 and 453,229,965.22 is: 680,084,471.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,776,896.12 : 958,502,926.31 = 453,229,965.22 : x
  2. Step 2: Convert to fraction form
    638,776,896.12/958,502,926.31 = 453,229,965.22/x
  3. Step 3: Cross multiply
    638,776,896.12x = 958,502,926.31 × 453,229,965.22
  4. Step 4: Simplify right side
    638,776,896.12x = 434,422,247,954,436,224
  5. Step 5: Solve for x
    x = 434,422,247,954,436,224/638,776,896.12
  6. Step 6: Final answer
    x = 680,084,471.74

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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.