Home / 1,267,504,579.59-1,899,914,998.53-426,346,568.49

Finding the Fourth Proportional to 1,267,504,579.59, 1,899,914,998.53 and 426,346,568.49

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Solution

The fourth proportional to 1,267,504,579.59, 1,899,914,998.53 and 426,346,568.49 is: 639,068,491.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267,504,579.59 : 1,899,914,998.53 = 426,346,568.49 : x
  2. Step 2: Convert to fraction form
    1,267,504,579.59/1,899,914,998.53 = 426,346,568.49/x
  3. Step 3: Cross multiply
    1,267,504,579.59x = 1,899,914,998.53 × 426,346,568.49
  4. Step 4: Simplify right side
    1,267,504,579.59x = 810,022,240,045,948,928
  5. Step 5: Solve for x
    x = 810,022,240,045,948,928/1,267,504,579.59
  6. Step 6: Final answer
    x = 639,068,491.81

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Double scale
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1.5x scale

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.