Home / 449,484,184.80-620,338,515.12-253,926,493.92

Finding the Fourth Proportional to 449,484,184.80, 620,338,515.12 and 253,926,493.92

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Solution

The fourth proportional to 449,484,184.80, 620,338,515.12 and 253,926,493.92 is: 350,447,000.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,484,184.80 : 620,338,515.12 = 253,926,493.92 : x
  2. Step 2: Convert to fraction form
    449,484,184.80/620,338,515.12 = 253,926,493.92/x
  3. Step 3: Cross multiply
    449,484,184.80x = 620,338,515.12 × 253,926,493.92
  4. Step 4: Simplify right side
    449,484,184.80x = 157,520,384,187,960,512
  5. Step 5: Solve for x
    x = 157,520,384,187,960,512/449,484,184.80
  6. Step 6: Final answer
    x = 350,447,000.17

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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.