Home / 13,886,848,966.39-19,163,836,989.79-7,543,221,760.85

Finding the Fourth Proportional to 13,886,848,966.39, 19,163,836,989.79 and 7,543,221,760.85

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Solution

The fourth proportional to 13,886,848,966.39, 19,163,836,989.79 and 7,543,221,760.85 is: 10,409,638,108.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,886,848,966.39 : 19,163,836,989.79 = 7,543,221,760.85 : x
  2. Step 2: Convert to fraction form
    13,886,848,966.39/19,163,836,989.79 = 7,543,221,760.85/x
  3. Step 3: Cross multiply
    13,886,848,966.39x = 19,163,836,989.79 × 7,543,221,760.85
  4. Step 4: Simplify right side
    13,886,848,966.39x = 144,557,072,202,647,633,920
  5. Step 5: Solve for x
    x = 144,557,072,202,647,633,920/13,886,848,966.39
  6. Step 6: Final answer
    x = 10,409,638,108.15

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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.