Home / 173,840,258,747.20-260,760,388,120.80-126,454,428,270.40

Finding the Fourth Proportional to 173,840,258,747.20, 260,760,388,120.80 and 126,454,428,270.40

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Solution

The fourth proportional to 173,840,258,747.20, 260,760,388,120.80 and 126,454,428,270.40 is: 189,681,642,405.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,840,258,747.20 : 260,760,388,120.80 = 126,454,428,270.40 : x
  2. Step 2: Convert to fraction form
    173,840,258,747.20/260,760,388,120.80 = 126,454,428,270.40/x
  3. Step 3: Cross multiply
    173,840,258,747.20x = 260,760,388,120.80 × 126,454,428,270.40
  4. Step 4: Simplify right side
    173,840,258,747.20x = 32,974,305,795,383,366,778,880
  5. Step 5: Solve for x
    x = 32,974,305,795,383,366,778,880/173,840,258,747.20
  6. Step 6: Final answer
    x = 189,681,642,405.60

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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.