Home / 820,978,750.11-1,132,950,317.32-444,635,355.36

Finding the Fourth Proportional to 820,978,750.11, 1,132,950,317.32 and 444,635,355.36

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Solution

The fourth proportional to 820,978,750.11, 1,132,950,317.32 and 444,635,355.36 is: 613,596,596.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,978,750.11 : 1,132,950,317.32 = 444,635,355.36 : x
  2. Step 2: Convert to fraction form
    820,978,750.11/1,132,950,317.32 = 444,635,355.36/x
  3. Step 3: Cross multiply
    820,978,750.11x = 1,132,950,317.32 × 444,635,355.36
  4. Step 4: Simplify right side
    820,978,750.11x = 503,749,766,946,802,944
  5. Step 5: Solve for x
    x = 503,749,766,946,802,944/820,978,750.11
  6. Step 6: Final answer
    x = 613,596,596.60

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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.