Home / 1,419,264,428.80-2,127,304,118.40-806,142,380.80

Finding the Fourth Proportional to 1,419,264,428.80, 2,127,304,118.40 and 806,142,380.80

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Solution

The fourth proportional to 1,419,264,428.80, 2,127,304,118.40 and 806,142,380.80 is: 1,208,309,016.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,264,428.80 : 2,127,304,118.40 = 806,142,380.80 : x
  2. Step 2: Convert to fraction form
    1,419,264,428.80/2,127,304,118.40 = 806,142,380.80/x
  3. Step 3: Cross multiply
    1,419,264,428.80x = 2,127,304,118.40 × 806,142,380.80
  4. Step 4: Simplify right side
    1,419,264,428.80x = 1,714,910,006,692,621,056
  5. Step 5: Solve for x
    x = 1,714,910,006,692,621,056/1,419,264,428.80
  6. Step 6: Final answer
    x = 1,208,309,016.91

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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.