Home / 1,277,662,505.40-1,916,493,758.10-818,497,481.40

Finding the Fourth Proportional to 1,277,662,505.40, 1,916,493,758.10 and 818,497,481.40

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Solution

The fourth proportional to 1,277,662,505.40, 1,916,493,758.10 and 818,497,481.40 is: 1,227,746,222.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,662,505.40 : 1,916,493,758.10 = 818,497,481.40 : x
  2. Step 2: Convert to fraction form
    1,277,662,505.40/1,916,493,758.10 = 818,497,481.40/x
  3. Step 3: Cross multiply
    1,277,662,505.40x = 1,916,493,758.10 × 818,497,481.40
  4. Step 4: Simplify right side
    1,277,662,505.40x = 1,568,645,314,123,670,784
  5. Step 5: Solve for x
    x = 1,568,645,314,123,670,784/1,277,662,505.40
  6. Step 6: Final answer
    x = 1,227,746,222.10

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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.