Home / 18,904,322,717.40-28,356,484,076.10-9,108,802,205.40

Finding the Fourth Proportional to 18,904,322,717.40, 28,356,484,076.10 and 9,108,802,205.40

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Solution

The fourth proportional to 18,904,322,717.40, 28,356,484,076.10 and 9,108,802,205.40 is: 13,663,203,308.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,904,322,717.40 : 28,356,484,076.10 = 9,108,802,205.40 : x
  2. Step 2: Convert to fraction form
    18,904,322,717.40/28,356,484,076.10 = 9,108,802,205.40/x
  3. Step 3: Cross multiply
    18,904,322,717.40x = 28,356,484,076.10 × 9,108,802,205.40
  4. Step 4: Simplify right side
    18,904,322,717.40x = 258,293,604,689,769,627,648
  5. Step 5: Solve for x
    x = 258,293,604,689,769,627,648/18,904,322,717.40
  6. Step 6: Final answer
    x = 13,663,203,308.10

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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.