Home / 1,080,285,712.38-1,620,428,588.01-262,392,502.14

Finding the Fourth Proportional to 1,080,285,712.38, 1,620,428,588.01 and 262,392,502.14

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Solution

The fourth proportional to 1,080,285,712.38, 1,620,428,588.01 and 262,392,502.14 is: 393,588,757.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,285,712.38 : 1,620,428,588.01 = 262,392,502.14 : x
  2. Step 2: Convert to fraction form
    1,080,285,712.38/1,620,428,588.01 = 262,392,502.14/x
  3. Step 3: Cross multiply
    1,080,285,712.38x = 1,620,428,588.01 × 262,392,502.14
  4. Step 4: Simplify right side
    1,080,285,712.38x = 425,188,311,747,131,072
  5. Step 5: Solve for x
    x = 425,188,311,747,131,072/1,080,285,712.38
  6. Step 6: Final answer
    x = 393,588,757.93

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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.