Home / 439,146,481.43-606,018,607.71-238,202,857.45

Finding the Fourth Proportional to 439,146,481.43, 606,018,607.71 and 238,202,857.45

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Solution

The fourth proportional to 439,146,481.43, 606,018,607.71 and 238,202,857.45 is: 328,718,024.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,146,481.43 : 606,018,607.71 = 238,202,857.45 : x
  2. Step 2: Convert to fraction form
    439,146,481.43/606,018,607.71 = 238,202,857.45/x
  3. Step 3: Cross multiply
    439,146,481.43x = 606,018,607.71 × 238,202,857.45
  4. Step 4: Simplify right side
    439,146,481.43x = 144,355,364,024,256,832
  5. Step 5: Solve for x
    x = 144,355,364,024,256,832/439,146,481.43
  6. Step 6: Final answer
    x = 328,718,024.91

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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.