Home / 3,878,737,031.64-5,818,105,624.44-931,016,649.48

Finding the Fourth Proportional to 3,878,737,031.64, 5,818,105,624.44 and 931,016,649.48

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Solution

The fourth proportional to 3,878,737,031.64, 5,818,105,624.44 and 931,016,649.48 is: 1,396,524,992.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,878,737,031.64 : 5,818,105,624.44 = 931,016,649.48 : x
  2. Step 2: Convert to fraction form
    3,878,737,031.64/5,818,105,624.44 = 931,016,649.48/x
  3. Step 3: Cross multiply
    3,878,737,031.64x = 5,818,105,624.44 × 931,016,649.48
  4. Step 4: Simplify right side
    3,878,737,031.64x = 5,416,753,204,786,871,296
  5. Step 5: Solve for x
    x = 5,416,753,204,786,871,296/3,878,737,031.64
  6. Step 6: Final answer
    x = 1,396,524,992.70

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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.