Home / 1,212,662,988,110.70-1,818,994,482,166-318,393,187,368.30

Finding the Fourth Proportional to 1,212,662,988,110.70, 1,818,994,482,166 and 318,393,187,368.30

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Solution

The fourth proportional to 1,212,662,988,110.70, 1,818,994,482,166 and 318,393,187,368.30 is: 477,589,781,052.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,662,988,110.70 : 1,818,994,482,166 = 318,393,187,368.30 : x
  2. Step 2: Convert to fraction form
    1,212,662,988,110.70/1,818,994,482,166 = 318,393,187,368.30/x
  3. Step 3: Cross multiply
    1,212,662,988,110.70x = 1,818,994,482,166 × 318,393,187,368.30
  4. Step 4: Simplify right side
    1,212,662,988,110.70x = 579,155,450,982,183,081,082,880
  5. Step 5: Solve for x
    x = 579,155,450,982,183,081,082,880/1,212,662,988,110.70
  6. Step 6: Final answer
    x = 477,589,781,052.44

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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.