Home / 290,693,738.46-436,222,138.89-193,717,492.38

Finding the Fourth Proportional to 290,693,738.46, 436,222,138.89 and 193,717,492.38

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Solution

The fourth proportional to 290,693,738.46, 436,222,138.89 and 193,717,492.38 is: 290,697,210.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,693,738.46 : 436,222,138.89 = 193,717,492.38 : x
  2. Step 2: Convert to fraction form
    290,693,738.46/436,222,138.89 = 193,717,492.38/x
  3. Step 3: Cross multiply
    290,693,738.46x = 436,222,138.89 × 193,717,492.38
  4. Step 4: Simplify right side
    290,693,738.46x = 84,503,858,866,410,864
  5. Step 5: Solve for x
    x = 84,503,858,866,410,864/290,693,738.46
  6. Step 6: Final answer
    x = 290,697,210.45

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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.