Home / 449,743,359.98-620,634,179.22-248,807,657.90

Finding the Fourth Proportional to 449,743,359.98, 620,634,179.22 and 248,807,657.90

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Solution

The fourth proportional to 449,743,359.98, 620,634,179.22 and 248,807,657.90 is: 343,348,118.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,743,359.98 : 620,634,179.22 = 248,807,657.90 : x
  2. Step 2: Convert to fraction form
    449,743,359.98/620,634,179.22 = 248,807,657.90/x
  3. Step 3: Cross multiply
    449,743,359.98x = 620,634,179.22 × 248,807,657.90
  4. Step 4: Simplify right side
    449,743,359.98x = 154,418,536,544,417,056
  5. Step 5: Solve for x
    x = 154,418,536,544,417,056/449,743,359.98
  6. Step 6: Final answer
    x = 343,348,118.69

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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.