Home / 538,981,620.53-808,536,972.58-165,440,577.97

Finding the Fourth Proportional to 538,981,620.53, 808,536,972.58 and 165,440,577.97

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Solution

The fourth proportional to 538,981,620.53, 808,536,972.58 and 165,440,577.97 is: 248,180,678.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,981,620.53 : 808,536,972.58 = 165,440,577.97 : x
  2. Step 2: Convert to fraction form
    538,981,620.53/808,536,972.58 = 165,440,577.97/x
  3. Step 3: Cross multiply
    538,981,620.53x = 808,536,972.58 × 165,440,577.97
  4. Step 4: Simplify right side
    538,981,620.53x = 133,764,824,055,276,080
  5. Step 5: Solve for x
    x = 133,764,824,055,276,080/538,981,620.53
  6. Step 6: Final answer
    x = 248,180,678.08

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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.