Home / 349,478,498.82-482,290,578-190,718,872.44

Finding the Fourth Proportional to 349,478,498.82, 482,290,578 and 190,718,872.44

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Solution

The fourth proportional to 349,478,498.82, 482,290,578 and 190,718,872.44 is: 263,197,637.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,478,498.82 : 482,290,578 = 190,718,872.44 : x
  2. Step 2: Convert to fraction form
    349,478,498.82/482,290,578 = 190,718,872.44/x
  3. Step 3: Cross multiply
    349,478,498.82x = 482,290,578 × 190,718,872.44
  4. Step 4: Simplify right side
    349,478,498.82x = 91,981,915,224,595,872
  5. Step 5: Solve for x
    x = 91,981,915,224,595,872/349,478,498.82
  6. Step 6: Final answer
    x = 263,197,637.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.