Home / 618,375,459.66-853,769,055.07-475,065,982.59

Finding the Fourth Proportional to 618,375,459.66, 853,769,055.07 and 475,065,982.59

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Solution

The fourth proportional to 618,375,459.66, 853,769,055.07 and 475,065,982.59 is: 655,906,745.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,375,459.66 : 853,769,055.07 = 475,065,982.59 : x
  2. Step 2: Convert to fraction form
    618,375,459.66/853,769,055.07 = 475,065,982.59/x
  3. Step 3: Cross multiply
    618,375,459.66x = 853,769,055.07 × 475,065,982.59
  4. Step 4: Simplify right side
    618,375,459.66x = 405,596,635,051,765,376
  5. Step 5: Solve for x
    x = 405,596,635,051,765,376/618,375,459.66
  6. Step 6: Final answer
    x = 655,906,745.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.