Home / 18,771,388,621.26-25,906,737,061.98-11,150,464,632.54

Finding the Fourth Proportional to 18,771,388,621.26, 25,906,737,061.98 and 11,150,464,632.54

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Solution

The fourth proportional to 18,771,388,621.26, 25,906,737,061.98 and 11,150,464,632.54 is: 15,388,960,357.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,771,388,621.26 : 25,906,737,061.98 = 11,150,464,632.54 : x
  2. Step 2: Convert to fraction form
    18,771,388,621.26/25,906,737,061.98 = 11,150,464,632.54/x
  3. Step 3: Cross multiply
    18,771,388,621.26x = 25,906,737,061.98 × 11,150,464,632.54
  4. Step 4: Simplify right side
    18,771,388,621.26x = 288,872,155,354,121,240,576
  5. Step 5: Solve for x
    x = 288,872,155,354,121,240,576/18,771,388,621.26
  6. Step 6: Final answer
    x = 15,388,960,357.84

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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.