Home / 18,393,688,354.95-25,383,286,009.14-9,935,512,215.24

Finding the Fourth Proportional to 18,393,688,354.95, 25,383,286,009.14 and 9,935,512,215.24

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Solution

The fourth proportional to 18,393,688,354.95, 25,383,286,009.14 and 9,935,512,215.24 is: 13,711,004,739.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,393,688,354.95 : 25,383,286,009.14 = 9,935,512,215.24 : x
  2. Step 2: Convert to fraction form
    18,393,688,354.95/25,383,286,009.14 = 9,935,512,215.24/x
  3. Step 3: Cross multiply
    18,393,688,354.95x = 25,383,286,009.14 × 9,935,512,215.24
  4. Step 4: Simplify right side
    18,393,688,354.95x = 252,195,948,206,741,061,632
  5. Step 5: Solve for x
    x = 252,195,948,206,741,061,632/18,393,688,354.95
  6. Step 6: Final answer
    x = 13,711,004,739.24

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Double scale
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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.