Home / 638,188,361.44-957,381,518.48-269,724,865

Finding the Fourth Proportional to 638,188,361.44, 957,381,518.48 and 269,724,865

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Solution

The fourth proportional to 638,188,361.44, 957,381,518.48 and 269,724,865 is: 404,629,129.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,188,361.44 : 957,381,518.48 = 269,724,865 : x
  2. Step 2: Convert to fraction form
    638,188,361.44/957,381,518.48 = 269,724,865/x
  3. Step 3: Cross multiply
    638,188,361.44x = 957,381,518.48 × 269,724,865
  4. Step 4: Simplify right side
    638,188,361.44x = 258,229,600,825,513,024
  5. Step 5: Solve for x
    x = 258,229,600,825,513,024/638,188,361.44
  6. Step 6: Final answer
    x = 404,629,129.00

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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.