Home / 3,878,737,009.59-5,818,105,591.26-931,016,627.40

Finding the Fourth Proportional to 3,878,737,009.59, 5,818,105,591.26 and 931,016,627.40

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Solution

The fourth proportional to 3,878,737,009.59, 5,818,105,591.26 and 931,016,627.40 is: 1,396,524,959.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,878,737,009.59 : 5,818,105,591.26 = 931,016,627.40 : x
  2. Step 2: Convert to fraction form
    3,878,737,009.59/5,818,105,591.26 = 931,016,627.40/x
  3. Step 3: Cross multiply
    3,878,737,009.59x = 5,818,105,591.26 × 931,016,627.40
  4. Step 4: Simplify right side
    3,878,737,009.59x = 5,416,753,045,431,967,744
  5. Step 5: Solve for x
    x = 5,416,753,045,431,967,744/3,878,737,009.59
  6. Step 6: Final answer
    x = 1,396,524,959.55

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1.5x scale

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.