Home / 290,039,685.83-399,492,311.04-222,930,310.02

Finding the Fourth Proportional to 290,039,685.83, 399,492,311.04 and 222,930,310.02

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Solution

The fourth proportional to 290,039,685.83, 399,492,311.04 and 222,930,310.02 is: 307,057,789.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,039,685.83 : 399,492,311.04 = 222,930,310.02 : x
  2. Step 2: Convert to fraction form
    290,039,685.83/399,492,311.04 = 222,930,310.02/x
  3. Step 3: Cross multiply
    290,039,685.83x = 399,492,311.04 × 222,930,310.02
  4. Step 4: Simplify right side
    290,039,685.83x = 89,058,944,749,259,376
  5. Step 5: Solve for x
    x = 89,058,944,749,259,376/290,039,685.83
  6. Step 6: Final answer
    x = 307,057,789.33

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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.