Home / 12,947,639,434.37-17,867,553,816.38-7,232,005,191.85

Finding the Fourth Proportional to 12,947,639,434.37, 17,867,553,816.38 and 7,232,005,191.85

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Solution

The fourth proportional to 12,947,639,434.37, 17,867,553,816.38 and 7,232,005,191.85 is: 9,980,061,819.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,947,639,434.37 : 17,867,553,816.38 = 7,232,005,191.85 : x
  2. Step 2: Convert to fraction form
    12,947,639,434.37/17,867,553,816.38 = 7,232,005,191.85/x
  3. Step 3: Cross multiply
    12,947,639,434.37x = 17,867,553,816.38 × 7,232,005,191.85
  4. Step 4: Simplify right side
    12,947,639,434.37x = 129,218,241,965,593,952,256
  5. Step 5: Solve for x
    x = 129,218,241,965,593,952,256/12,947,639,434.37
  6. Step 6: Final answer
    x = 9,980,061,819.04

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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.