Home / 3,878,737,017.40-5,818,105,603.05-931,016,635.21

Finding the Fourth Proportional to 3,878,737,017.40, 5,818,105,603.05 and 931,016,635.21

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Solution

The fourth proportional to 3,878,737,017.40, 5,818,105,603.05 and 931,016,635.21 is: 1,396,524,971.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,878,737,017.40 : 5,818,105,603.05 = 931,016,635.21 : x
  2. Step 2: Convert to fraction form
    3,878,737,017.40/5,818,105,603.05 = 931,016,635.21/x
  3. Step 3: Cross multiply
    3,878,737,017.40x = 5,818,105,603.05 × 931,016,635.21
  4. Step 4: Simplify right side
    3,878,737,017.40x = 5,416,753,101,848,058,880
  5. Step 5: Solve for x
    x = 5,416,753,101,848,058,880/3,878,737,017.40
  6. Step 6: Final answer
    x = 1,396,524,971.29

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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.