Home / 517,561,356,402.32-776,381,069,099.64-154,498,356,407.12

Finding the Fourth Proportional to 517,561,356,402.32, 776,381,069,099.64 and 154,498,356,407.12

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Solution

The fourth proportional to 517,561,356,402.32, 776,381,069,099.64 and 154,498,356,407.12 is: 231,759,186,882.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,561,356,402.32 : 776,381,069,099.64 = 154,498,356,407.12 : x
  2. Step 2: Convert to fraction form
    517,561,356,402.32/776,381,069,099.64 = 154,498,356,407.12/x
  3. Step 3: Cross multiply
    517,561,356,402.32x = 776,381,069,099.64 × 154,498,356,407.12
  4. Step 4: Simplify right side
    517,561,356,402.32x = 119,949,599,121,497,032,491,008
  5. Step 5: Solve for x
    x = 119,949,599,121,497,032,491,008/517,561,356,402.32
  6. Step 6: Final answer
    x = 231,759,186,882.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.