Home / 699,270,904.56-964,982,227.32-385,997,015.28

Finding the Fourth Proportional to 699,270,904.56, 964,982,227.32 and 385,997,015.28

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Solution

The fourth proportional to 699,270,904.56, 964,982,227.32 and 385,997,015.28 is: 532,669,466.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,270,904.56 : 964,982,227.32 = 385,997,015.28 : x
  2. Step 2: Convert to fraction form
    699,270,904.56/964,982,227.32 = 385,997,015.28/x
  3. Step 3: Cross multiply
    699,270,904.56x = 964,982,227.32 × 385,997,015.28
  4. Step 4: Simplify right side
    699,270,904.56x = 372,480,259,543,766,464
  5. Step 5: Solve for x
    x = 372,480,259,543,766,464/699,270,904.56
  6. Step 6: Final answer
    x = 532,669,466.32

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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.