Home / 20,785,400,270.20-31,178,100,405.30-16,867,192,065.40

Finding the Fourth Proportional to 20,785,400,270.20, 31,178,100,405.30 and 16,867,192,065.40

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Solution

The fourth proportional to 20,785,400,270.20, 31,178,100,405.30 and 16,867,192,065.40 is: 25,300,788,098.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,785,400,270.20 : 31,178,100,405.30 = 16,867,192,065.40 : x
  2. Step 2: Convert to fraction form
    20,785,400,270.20/31,178,100,405.30 = 16,867,192,065.40/x
  3. Step 3: Cross multiply
    20,785,400,270.20x = 31,178,100,405.30 × 16,867,192,065.40
  4. Step 4: Simplify right side
    20,785,400,270.20x = 525,887,007,770,520,649,728
  5. Step 5: Solve for x
    x = 525,887,007,770,520,649,728/20,785,400,270.20
  6. Step 6: Final answer
    x = 25,300,788,098.10

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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.