Home / 289,446,914,416.62-434,154,659,519.43-87,972,941,314.32

Finding the Fourth Proportional to 289,446,914,416.62, 434,154,659,519.43 and 87,972,941,314.32

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Solution

The fourth proportional to 289,446,914,416.62, 434,154,659,519.43 and 87,972,941,314.32 is: 131,954,636,518.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,446,914,416.62 : 434,154,659,519.43 = 87,972,941,314.32 : x
  2. Step 2: Convert to fraction form
    289,446,914,416.62/434,154,659,519.43 = 87,972,941,314.32/x
  3. Step 3: Cross multiply
    289,446,914,416.62x = 434,154,659,519.43 × 87,972,941,314.32
  4. Step 4: Simplify right side
    289,446,914,416.62x = 38,193,862,383,241,399,369,728
  5. Step 5: Solve for x
    x = 38,193,862,383,241,399,369,728/289,446,914,416.62
  6. Step 6: Final answer
    x = 131,954,636,518.48

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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.