Home / 340,138,849.49-469,406,476.91-191,469,563.81

Finding the Fourth Proportional to 340,138,849.49, 469,406,476.91 and 191,469,563.81

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Solution

The fourth proportional to 340,138,849.49, 469,406,476.91 and 191,469,563.81 is: 264,236,365.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,138,849.49 : 469,406,476.91 = 191,469,563.81 : x
  2. Step 2: Convert to fraction form
    340,138,849.49/469,406,476.91 = 191,469,563.81/x
  3. Step 3: Cross multiply
    340,138,849.49x = 469,406,476.91 × 191,469,563.81
  4. Step 4: Simplify right side
    340,138,849.49x = 89,877,053,383,762,704
  5. Step 5: Solve for x
    x = 89,877,053,383,762,704/340,138,849.49
  6. Step 6: Final answer
    x = 264,236,365.58

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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.