Home / 2,690,971,982.70-4,036,457,974.05-1,965,377,870.70

Finding the Fourth Proportional to 2,690,971,982.70, 4,036,457,974.05 and 1,965,377,870.70

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Solution

The fourth proportional to 2,690,971,982.70, 4,036,457,974.05 and 1,965,377,870.70 is: 2,948,066,806.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,690,971,982.70 : 4,036,457,974.05 = 1,965,377,870.70 : x
  2. Step 2: Convert to fraction form
    2,690,971,982.70/4,036,457,974.05 = 1,965,377,870.70/x
  3. Step 3: Cross multiply
    2,690,971,982.70x = 4,036,457,974.05 × 1,965,377,870.70
  4. Step 4: Simplify right side
    2,690,971,982.70x = 7,933,165,178,208,424,960
  5. Step 5: Solve for x
    x = 7,933,165,178,208,424,960/2,690,971,982.70
  6. Step 6: Final answer
    x = 2,948,066,806.05

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Double scale
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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.