Home / 638,188,349.93-957,381,501.22-269,724,853.47

Finding the Fourth Proportional to 638,188,349.93, 957,381,501.22 and 269,724,853.47

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Solution

The fourth proportional to 638,188,349.93, 957,381,501.22 and 269,724,853.47 is: 404,629,111.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,188,349.93 : 957,381,501.22 = 269,724,853.47 : x
  2. Step 2: Convert to fraction form
    638,188,349.93/957,381,501.22 = 269,724,853.47/x
  3. Step 3: Cross multiply
    638,188,349.93x = 957,381,501.22 × 269,724,853.47
  4. Step 4: Simplify right side
    638,188,349.93x = 258,229,585,130,778,848
  5. Step 5: Solve for x
    x = 258,229,585,130,778,848/638,188,349.93
  6. Step 6: Final answer
    x = 404,629,111.71

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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.