Home / 7,859,565,758.40-11,753,540,142.99-5,869,005,663.21

Finding the Fourth Proportional to 7,859,565,758.40, 11,753,540,142.99 and 5,869,005,663.21

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Solution

The fourth proportional to 7,859,565,758.40, 11,753,540,142.99 and 5,869,005,663.21 is: 8,776,769,071.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,859,565,758.40 : 11,753,540,142.99 = 5,869,005,663.21 : x
  2. Step 2: Convert to fraction form
    7,859,565,758.40/11,753,540,142.99 = 5,869,005,663.21/x
  3. Step 3: Cross multiply
    7,859,565,758.40x = 11,753,540,142.99 × 5,869,005,663.21
  4. Step 4: Simplify right side
    7,859,565,758.40x = 68,981,593,661,974,380,544
  5. Step 5: Solve for x
    x = 68,981,593,661,974,380,544/7,859,565,758.40
  6. Step 6: Final answer
    x = 8,776,769,071.27

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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.