Home / 1,891,171,514.70-2,836,757,272.05-664,339,966.20

Finding the Fourth Proportional to 1,891,171,514.70, 2,836,757,272.05 and 664,339,966.20

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Solution

The fourth proportional to 1,891,171,514.70, 2,836,757,272.05 and 664,339,966.20 is: 996,509,949.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,891,171,514.70 : 2,836,757,272.05 = 664,339,966.20 : x
  2. Step 2: Convert to fraction form
    1,891,171,514.70/2,836,757,272.05 = 664,339,966.20/x
  3. Step 3: Cross multiply
    1,891,171,514.70x = 2,836,757,272.05 × 664,339,966.20
  4. Step 4: Simplify right side
    1,891,171,514.70x = 1,884,571,230,231,301,376
  5. Step 5: Solve for x
    x = 1,884,571,230,231,301,376/1,891,171,514.70
  6. Step 6: Final answer
    x = 996,509,949.30

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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.