Home / 2,690,971,969.70-4,036,457,954.55-1,965,377,857.70

Finding the Fourth Proportional to 2,690,971,969.70, 4,036,457,954.55 and 1,965,377,857.70

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Solution

The fourth proportional to 2,690,971,969.70, 4,036,457,954.55 and 1,965,377,857.70 is: 2,948,066,786.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,690,971,969.70 : 4,036,457,954.55 = 1,965,377,857.70 : x
  2. Step 2: Convert to fraction form
    2,690,971,969.70/4,036,457,954.55 = 1,965,377,857.70/x
  3. Step 3: Cross multiply
    2,690,971,969.70x = 4,036,457,954.55 × 1,965,377,857.70
  4. Step 4: Simplify right side
    2,690,971,969.70x = 7,933,165,087,409,603,584
  5. Step 5: Solve for x
    x = 7,933,165,087,409,603,584/2,690,971,969.70
  6. Step 6: Final answer
    x = 2,948,066,786.55

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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.