Home / 18,771,388,598.55-25,906,737,030.61-11,150,464,609.78

Finding the Fourth Proportional to 18,771,388,598.55, 25,906,737,030.61 and 11,150,464,609.78

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Solution

The fourth proportional to 18,771,388,598.55, 25,906,737,030.61 and 11,150,464,609.78 is: 15,388,960,326.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,771,388,598.55 : 25,906,737,030.61 = 11,150,464,609.78 : x
  2. Step 2: Convert to fraction form
    18,771,388,598.55/25,906,737,030.61 = 11,150,464,609.78/x
  3. Step 3: Cross multiply
    18,771,388,598.55x = 25,906,737,030.61 × 11,150,464,609.78
  4. Step 4: Simplify right side
    18,771,388,598.55x = 288,872,154,414,767,898,624
  5. Step 5: Solve for x
    x = 288,872,154,414,767,898,624/18,771,388,598.55
  6. Step 6: Final answer
    x = 15,388,960,326.41

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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.