Home / 638,775,188.10-958,590,782.10-224,253,240.66

Finding the Fourth Proportional to 638,775,188.10, 958,590,782.10 and 224,253,240.66

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Solution

The fourth proportional to 638,775,188.10, 958,590,782.10 and 224,253,240.66 is: 336,530,117.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,775,188.10 : 958,590,782.10 = 224,253,240.66 : x
  2. Step 2: Convert to fraction form
    638,775,188.10/958,590,782.10 = 224,253,240.66/x
  3. Step 3: Cross multiply
    638,775,188.10x = 958,590,782.10 × 224,253,240.66
  4. Step 4: Simplify right side
    638,775,188.10x = 214,967,089,352,728,928
  5. Step 5: Solve for x
    x = 214,967,089,352,728,928/638,775,188.10
  6. Step 6: Final answer
    x = 336,530,117.88

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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.