Home / 3,878,737,009.09-5,818,105,590.51-931,016,626.90

Finding the Fourth Proportional to 3,878,737,009.09, 5,818,105,590.51 and 931,016,626.90

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Solution

The fourth proportional to 3,878,737,009.09, 5,818,105,590.51 and 931,016,626.90 is: 1,396,524,958.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,878,737,009.09 : 5,818,105,590.51 = 931,016,626.90 : x
  2. Step 2: Convert to fraction form
    3,878,737,009.09/5,818,105,590.51 = 931,016,626.90/x
  3. Step 3: Cross multiply
    3,878,737,009.09x = 5,818,105,590.51 × 931,016,626.90
  4. Step 4: Simplify right side
    3,878,737,009.09x = 5,416,753,041,824,653,312
  5. Step 5: Solve for x
    x = 5,416,753,041,824,653,312/3,878,737,009.09
  6. Step 6: Final answer
    x = 1,396,524,958.80

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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.