Home / 797,399,785.80-1,100,411,745.66-440,167,656.96

Finding the Fourth Proportional to 797,399,785.80, 1,100,411,745.66 and 440,167,656.96

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Solution

The fourth proportional to 797,399,785.80, 1,100,411,745.66 and 440,167,656.96 is: 607,431,389.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    797,399,785.80 : 1,100,411,745.66 = 440,167,656.96 : x
  2. Step 2: Convert to fraction form
    797,399,785.80/1,100,411,745.66 = 440,167,656.96/x
  3. Step 3: Cross multiply
    797,399,785.80x = 1,100,411,745.66 × 440,167,656.96
  4. Step 4: Simplify right side
    797,399,785.80x = 484,365,659,778,425,664
  5. Step 5: Solve for x
    x = 484,365,659,778,425,664/797,399,785.80
  6. Step 6: Final answer
    x = 607,431,389.38

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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.