Home / 678,298,488-1,017,206,950.56-199,014,571.49

Finding the Fourth Proportional to 678,298,488, 1,017,206,950.56 and 199,014,571.49

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Solution

The fourth proportional to 678,298,488, 1,017,206,950.56 and 199,014,571.49 is: 298,451,211.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,298,488 : 1,017,206,950.56 = 199,014,571.49 : x
  2. Step 2: Convert to fraction form
    678,298,488/1,017,206,950.56 = 199,014,571.49/x
  3. Step 3: Cross multiply
    678,298,488x = 1,017,206,950.56 × 199,014,571.49
  4. Step 4: Simplify right side
    678,298,488x = 202,439,005,382,348,000
  5. Step 5: Solve for x
    x = 202,439,005,382,348,000/678,298,488
  6. Step 6: Final answer
    x = 298,451,211.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.