Home / 1,393,769,494.23-2,090,969,212.47-461,090,139.49

Finding the Fourth Proportional to 1,393,769,494.23, 2,090,969,212.47 and 461,090,139.49

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Solution

The fourth proportional to 1,393,769,494.23, 2,090,969,212.47 and 461,090,139.49 is: 691,739,408.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,393,769,494.23 : 2,090,969,212.47 = 461,090,139.49 : x
  2. Step 2: Convert to fraction form
    1,393,769,494.23/2,090,969,212.47 = 461,090,139.49/x
  3. Step 3: Cross multiply
    1,393,769,494.23x = 2,090,969,212.47 × 461,090,139.49
  4. Step 4: Simplify right side
    1,393,769,494.23x = 964,125,285,847,087,744
  5. Step 5: Solve for x
    x = 964,125,285,847,087,744/1,393,769,494.23
  6. Step 6: Final answer
    x = 691,739,408.73

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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.