Home / 17,139,383,808.20-23,650,207,911.16-9,517,393,397.92

Finding the Fourth Proportional to 17,139,383,808.20, 23,650,207,911.16 and 9,517,393,397.92

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Solution

The fourth proportional to 17,139,383,808.20, 23,650,207,911.16 and 9,517,393,397.92 is: 13,132,813,591.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,139,383,808.20 : 23,650,207,911.16 = 9,517,393,397.92 : x
  2. Step 2: Convert to fraction form
    17,139,383,808.20/23,650,207,911.16 = 9,517,393,397.92/x
  3. Step 3: Cross multiply
    17,139,383,808.20x = 23,650,207,911.16 × 9,517,393,397.92
  4. Step 4: Simplify right side
    17,139,383,808.20x = 225,088,332,633,109,528,576
  5. Step 5: Solve for x
    x = 225,088,332,633,109,528,576/17,139,383,808.20
  6. Step 6: Final answer
    x = 13,132,813,591.90

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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.