Home / 220,016,580,233.60-330,024,870,350.40-78,685,585,846.40

Finding the Fourth Proportional to 220,016,580,233.60, 330,024,870,350.40 and 78,685,585,846.40

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Solution

The fourth proportional to 220,016,580,233.60, 330,024,870,350.40 and 78,685,585,846.40 is: 118,028,378,769.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,016,580,233.60 : 330,024,870,350.40 = 78,685,585,846.40 : x
  2. Step 2: Convert to fraction form
    220,016,580,233.60/330,024,870,350.40 = 78,685,585,846.40/x
  3. Step 3: Cross multiply
    220,016,580,233.60x = 330,024,870,350.40 × 78,685,585,846.40
  4. Step 4: Simplify right side
    220,016,580,233.60x = 25,968,200,267,403,429,412,864
  5. Step 5: Solve for x
    x = 25,968,200,267,403,429,412,864/220,016,580,233.60
  6. Step 6: Final answer
    x = 118,028,378,769.60

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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.