Home / 6,721,285,816.80-10,081,928,725.20-3,621,921,904.80

Finding the Fourth Proportional to 6,721,285,816.80, 10,081,928,725.20 and 3,621,921,904.80

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Solution

The fourth proportional to 6,721,285,816.80, 10,081,928,725.20 and 3,621,921,904.80 is: 5,432,882,857.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,721,285,816.80 : 10,081,928,725.20 = 3,621,921,904.80 : x
  2. Step 2: Convert to fraction form
    6,721,285,816.80/10,081,928,725.20 = 3,621,921,904.80/x
  3. Step 3: Cross multiply
    6,721,285,816.80x = 10,081,928,725.20 × 3,621,921,904.80
  4. Step 4: Simplify right side
    6,721,285,816.80x = 36,515,958,492,434,223,104
  5. Step 5: Solve for x
    x = 36,515,958,492,434,223,104/6,721,285,816.80
  6. Step 6: Final answer
    x = 5,432,882,857.20

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Double scale
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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.