Home / 646,109,097.32-969,103,858.86-179,777,591.43

Finding the Fourth Proportional to 646,109,097.32, 969,103,858.86 and 179,777,591.43

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Solution

The fourth proportional to 646,109,097.32, 969,103,858.86 and 179,777,591.43 is: 269,649,751.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,109,097.32 : 969,103,858.86 = 179,777,591.43 : x
  2. Step 2: Convert to fraction form
    646,109,097.32/969,103,858.86 = 179,777,591.43/x
  3. Step 3: Cross multiply
    646,109,097.32x = 969,103,858.86 × 179,777,591.43
  4. Step 4: Simplify right side
    646,109,097.32x = 174,223,157,592,822,208
  5. Step 5: Solve for x
    x = 174,223,157,592,822,208/646,109,097.32
  6. Step 6: Final answer
    x = 269,649,751.59

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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.