Home / 21,315,783,186.90-29,414,615,425.38-11,668,646,912.40

Finding the Fourth Proportional to 21,315,783,186.90, 29,414,615,425.38 and 11,668,646,912.40

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Solution

The fourth proportional to 21,315,783,186.90, 29,414,615,425.38 and 11,668,646,912.40 is: 16,102,094,793.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,315,783,186.90 : 29,414,615,425.38 = 11,668,646,912.40 : x
  2. Step 2: Convert to fraction form
    21,315,783,186.90/29,414,615,425.38 = 11,668,646,912.40/x
  3. Step 3: Cross multiply
    21,315,783,186.90x = 29,414,615,425.38 × 11,668,646,912.40
  4. Step 4: Simplify right side
    21,315,783,186.90x = 343,228,761,462,793,764,864
  5. Step 5: Solve for x
    x = 343,228,761,462,793,764,864/21,315,783,186.90
  6. Step 6: Final answer
    x = 16,102,094,793.01

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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.