Home / 12,878,696,591.94-17,760,610,631.47-8,357,741,623.12

Finding the Fourth Proportional to 12,878,696,591.94, 17,760,610,631.47 and 8,357,741,623.12

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Solution

The fourth proportional to 12,878,696,591.94, 17,760,610,631.47 and 8,357,741,623.12 is: 11,525,901,993.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,878,696,591.94 : 17,760,610,631.47 = 8,357,741,623.12 : x
  2. Step 2: Convert to fraction form
    12,878,696,591.94/17,760,610,631.47 = 8,357,741,623.12/x
  3. Step 3: Cross multiply
    12,878,696,591.94x = 17,760,610,631.47 × 8,357,741,623.12
  4. Step 4: Simplify right side
    12,878,696,591.94x = 148,438,594,726,664,404,992
  5. Step 5: Solve for x
    x = 148,438,594,726,664,404,992/12,878,696,591.94
  6. Step 6: Final answer
    x = 11,525,901,993.81

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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.