Home / 27,355,145,936.45-40,979,280,645.79-18,845,025,479.17

Finding the Fourth Proportional to 27,355,145,936.45, 40,979,280,645.79 and 18,845,025,479.17

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Solution

The fourth proportional to 27,355,145,936.45, 40,979,280,645.79 and 18,845,025,479.17 is: 28,230,724,474.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,355,145,936.45 : 40,979,280,645.79 = 18,845,025,479.17 : x
  2. Step 2: Convert to fraction form
    27,355,145,936.45/40,979,280,645.79 = 18,845,025,479.17/x
  3. Step 3: Cross multiply
    27,355,145,936.45x = 40,979,280,645.79 × 18,845,025,479.17
  4. Step 4: Simplify right side
    27,355,145,936.45x = 772,255,587,887,809,953,792
  5. Step 5: Solve for x
    x = 772,255,587,887,809,953,792/27,355,145,936.45
  6. Step 6: Final answer
    x = 28,230,724,474.36

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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.