Home / 353,147,267.63-487,311,553.37-204,478,422.82

Finding the Fourth Proportional to 353,147,267.63, 487,311,553.37 and 204,478,422.82

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Solution

The fourth proportional to 353,147,267.63, 487,311,553.37 and 204,478,422.82 is: 282,161,882.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,147,267.63 : 487,311,553.37 = 204,478,422.82 : x
  2. Step 2: Convert to fraction form
    353,147,267.63/487,311,553.37 = 204,478,422.82/x
  3. Step 3: Cross multiply
    353,147,267.63x = 487,311,553.37 × 204,478,422.82
  4. Step 4: Simplify right side
    353,147,267.63x = 99,644,697,854,354,768
  5. Step 5: Solve for x
    x = 99,644,697,854,354,768/353,147,267.63
  6. Step 6: Final answer
    x = 282,161,882.56

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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.