Home / 13,062,078,258.76-18,025,148,799.78-7,711,362,239.56

Finding the Fourth Proportional to 13,062,078,258.76, 18,025,148,799.78 and 7,711,362,239.56

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Solution

The fourth proportional to 13,062,078,258.76, 18,025,148,799.78 and 7,711,362,239.56 is: 10,641,373,375.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,062,078,258.76 : 18,025,148,799.78 = 7,711,362,239.56 : x
  2. Step 2: Convert to fraction form
    13,062,078,258.76/18,025,148,799.78 = 7,711,362,239.56/x
  3. Step 3: Cross multiply
    13,062,078,258.76x = 18,025,148,799.78 × 7,711,362,239.56
  4. Step 4: Simplify right side
    13,062,078,258.76x = 138,998,451,817,073,737,728
  5. Step 5: Solve for x
    x = 138,998,451,817,073,737,728/13,062,078,258.76
  6. Step 6: Final answer
    x = 10,641,373,375.93

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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.