Home / 1,215,604,600.62-1,823,588,506.80-386,585,288.70

Finding the Fourth Proportional to 1,215,604,600.62, 1,823,588,506.80 and 386,585,288.70

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Solution

The fourth proportional to 1,215,604,600.62, 1,823,588,506.80 and 386,585,288.70 is: 579,935,687.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,604,600.62 : 1,823,588,506.80 = 386,585,288.70 : x
  2. Step 2: Convert to fraction form
    1,215,604,600.62/1,823,588,506.80 = 386,585,288.70/x
  3. Step 3: Cross multiply
    1,215,604,600.62x = 1,823,588,506.80 × 386,585,288.70
  4. Step 4: Simplify right side
    1,215,604,600.62x = 704,972,489,371,279,872
  5. Step 5: Solve for x
    x = 704,972,489,371,279,872/1,215,604,600.62
  6. Step 6: Final answer
    x = 579,935,687.16

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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.