Home / 20,852,133,620.40-31,278,200,430.60-9,659,986,160.40

Finding the Fourth Proportional to 20,852,133,620.40, 31,278,200,430.60 and 9,659,986,160.40

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Solution

The fourth proportional to 20,852,133,620.40, 31,278,200,430.60 and 9,659,986,160.40 is: 14,489,979,240.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,852,133,620.40 : 31,278,200,430.60 = 9,659,986,160.40 : x
  2. Step 2: Convert to fraction form
    20,852,133,620.40/31,278,200,430.60 = 9,659,986,160.40/x
  3. Step 3: Cross multiply
    20,852,133,620.40x = 31,278,200,430.60 × 9,659,986,160.40
  4. Step 4: Simplify right side
    20,852,133,620.40x = 302,146,983,281,813,291,008
  5. Step 5: Solve for x
    x = 302,146,983,281,813,291,008/20,852,133,620.40
  6. Step 6: Final answer
    x = 14,489,979,240.60

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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.