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Finding the Fourth Proportional to 299,382,701.30, 449,074,051.95 and 218,761,133.30

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Solution

The fourth proportional to 299,382,701.30, 449,074,051.95 and 218,761,133.30 is: 328,141,699.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,382,701.30 : 449,074,051.95 = 218,761,133.30 : x
  2. Step 2: Convert to fraction form
    299,382,701.30/449,074,051.95 = 218,761,133.30/x
  3. Step 3: Cross multiply
    299,382,701.30x = 449,074,051.95 × 218,761,133.30
  4. Step 4: Simplify right side
    299,382,701.30x = 98,239,948,540,205,072
  5. Step 5: Solve for x
    x = 98,239,948,540,205,072/299,382,701.30
  6. Step 6: Final answer
    x = 328,141,699.95

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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.