Home / 771,491,610.12-1,064,657,611.75-419,067,876.48

Finding the Fourth Proportional to 771,491,610.12, 1,064,657,611.75 and 419,067,876.48

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Solution

The fourth proportional to 771,491,610.12, 1,064,657,611.75 and 419,067,876.48 is: 578,313,229.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,491,610.12 : 1,064,657,611.75 = 419,067,876.48 : x
  2. Step 2: Convert to fraction form
    771,491,610.12/1,064,657,611.75 = 419,067,876.48/x
  3. Step 3: Cross multiply
    771,491,610.12x = 1,064,657,611.75 × 419,067,876.48
  4. Step 4: Simplify right side
    771,491,610.12x = 446,163,804,534,340,800
  5. Step 5: Solve for x
    x = 446,163,804,534,340,800/771,491,610.12
  6. Step 6: Final answer
    x = 578,313,229.44

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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.