Home / 18,393,688,351.95-25,383,286,005.00-9,935,512,212.25

Finding the Fourth Proportional to 18,393,688,351.95, 25,383,286,005.00 and 9,935,512,212.25

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Solution

The fourth proportional to 18,393,688,351.95, 25,383,286,005.00 and 9,935,512,212.25 is: 13,711,004,735.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,393,688,351.95 : 25,383,286,005.00 = 9,935,512,212.25 : x
  2. Step 2: Convert to fraction form
    18,393,688,351.95/25,383,286,005.00 = 9,935,512,212.25/x
  3. Step 3: Cross multiply
    18,393,688,351.95x = 25,383,286,005.00 × 9,935,512,212.25
  4. Step 4: Simplify right side
    18,393,688,351.95x = 252,195,948,089,580,683,264
  5. Step 5: Solve for x
    x = 252,195,948,089,580,683,264/18,393,688,351.95
  6. Step 6: Final answer
    x = 13,711,004,735.10

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.