Home / 18,804,942,989.84-28,176,420,638.28-10,922,227,440.32

Finding the Fourth Proportional to 18,804,942,989.84, 28,176,420,638.28 and 10,922,227,440.32

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Solution

The fourth proportional to 18,804,942,989.84, 28,176,420,638.28 and 10,922,227,440.32 is: 16,365,339,412.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,804,942,989.84 : 28,176,420,638.28 = 10,922,227,440.32 : x
  2. Step 2: Convert to fraction form
    18,804,942,989.84/28,176,420,638.28 = 10,922,227,440.32/x
  3. Step 3: Cross multiply
    18,804,942,989.84x = 28,176,420,638.28 × 10,922,227,440.32
  4. Step 4: Simplify right side
    18,804,942,989.84x = 307,749,274,665,420,587,008
  5. Step 5: Solve for x
    x = 307,749,274,665,420,587,008/18,804,942,989.84
  6. Step 6: Final answer
    x = 16,365,339,412.71

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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.