Home / 20,746,651,599.50-28,630,388,450.73-11,231,203,040.97

Finding the Fourth Proportional to 20,746,651,599.50, 28,630,388,450.73 and 11,231,203,040.97

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Solution

The fourth proportional to 20,746,651,599.50, 28,630,388,450.73 and 11,231,203,040.97 is: 15,499,065,200.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,746,651,599.50 : 28,630,388,450.73 = 11,231,203,040.97 : x
  2. Step 2: Convert to fraction form
    20,746,651,599.50/28,630,388,450.73 = 11,231,203,040.97/x
  3. Step 3: Cross multiply
    20,746,651,599.50x = 28,630,388,450.73 × 11,231,203,040.97
  4. Step 4: Simplify right side
    20,746,651,599.50x = 321,553,705,831,991,148,544
  5. Step 5: Solve for x
    x = 321,553,705,831,991,148,544/20,746,651,599.50
  6. Step 6: Final answer
    x = 15,499,065,200.47

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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.