Home / 20,852,133,627.40-31,278,200,441.10-9,659,986,167.40

Finding the Fourth Proportional to 20,852,133,627.40, 31,278,200,441.10 and 9,659,986,167.40

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Solution

The fourth proportional to 20,852,133,627.40, 31,278,200,441.10 and 9,659,986,167.40 is: 14,489,979,251.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,852,133,627.40 : 31,278,200,441.10 = 9,659,986,167.40 : x
  2. Step 2: Convert to fraction form
    20,852,133,627.40/31,278,200,441.10 = 9,659,986,167.40/x
  3. Step 3: Cross multiply
    20,852,133,627.40x = 31,278,200,441.10 × 9,659,986,167.40
  4. Step 4: Simplify right side
    20,852,133,627.40x = 302,146,983,602,190,548,992
  5. Step 5: Solve for x
    x = 302,146,983,602,190,548,992/20,852,133,627.40
  6. Step 6: Final answer
    x = 14,489,979,251.10

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.