Home / 19,788,606,836.78-27,311,262,509.27-12,068,157,076.32

Finding the Fourth Proportional to 19,788,606,836.78, 27,311,262,509.27 and 12,068,157,076.32

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Solution

The fourth proportional to 19,788,606,836.78, 27,311,262,509.27 and 12,068,157,076.32 is: 16,655,877,224.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,788,606,836.78 : 27,311,262,509.27 = 12,068,157,076.32 : x
  2. Step 2: Convert to fraction form
    19,788,606,836.78/27,311,262,509.27 = 12,068,157,076.32/x
  3. Step 3: Cross multiply
    19,788,606,836.78x = 27,311,262,509.27 × 12,068,157,076.32
  4. Step 4: Simplify right side
    19,788,606,836.78x = 329,596,605,914,479,853,568
  5. Step 5: Solve for x
    x = 329,596,605,914,479,853,568/19,788,606,836.78
  6. Step 6: Final answer
    x = 16,655,877,224.36

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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.