Home / 20,958,551,200.16-28,925,336,921-11,928,504,920.12

Finding the Fourth Proportional to 20,958,551,200.16, 28,925,336,921 and 11,928,504,920.12

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Solution

The fourth proportional to 20,958,551,200.16, 28,925,336,921 and 11,928,504,920.12 is: 16,462,780,298.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,958,551,200.16 : 28,925,336,921 = 11,928,504,920.12 : x
  2. Step 2: Convert to fraction form
    20,958,551,200.16/28,925,336,921 = 11,928,504,920.12/x
  3. Step 3: Cross multiply
    20,958,551,200.16x = 28,925,336,921 × 11,928,504,920.12
  4. Step 4: Simplify right side
    20,958,551,200.16x = 345,036,023,778,277,195,776
  5. Step 5: Solve for x
    x = 345,036,023,778,277,195,776/20,958,551,200.16
  6. Step 6: Final answer
    x = 16,462,780,298.27

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.