Home / 449,363,530.94-620,067,966.63-248,393,257.46

Finding the Fourth Proportional to 449,363,530.94, 620,067,966.63 and 248,393,257.46

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Solution

The fourth proportional to 449,363,530.94, 620,067,966.63 and 248,393,257.46 is: 342,753,008.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,363,530.94 : 620,067,966.63 = 248,393,257.46 : x
  2. Step 2: Convert to fraction form
    449,363,530.94/620,067,966.63 = 248,393,257.46/x
  3. Step 3: Cross multiply
    449,363,530.94x = 620,067,966.63 × 248,393,257.46
  4. Step 4: Simplify right side
    449,363,530.94x = 154,020,702,074,723,936
  5. Step 5: Solve for x
    x = 154,020,702,074,723,936/449,363,530.94
  6. Step 6: Final answer
    x = 342,753,008.36

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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.