Home / 10,881,875,370-16,305,806,942.16-7,572,156,481.68

Finding the Fourth Proportional to 10,881,875,370, 16,305,806,942.16 and 7,572,156,481.68

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Solution

The fourth proportional to 10,881,875,370, 16,305,806,942.16 and 7,572,156,481.68 is: 11,346,401,013.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,881,875,370 : 16,305,806,942.16 = 7,572,156,481.68 : x
  2. Step 2: Convert to fraction form
    10,881,875,370/16,305,806,942.16 = 7,572,156,481.68/x
  3. Step 3: Cross multiply
    10,881,875,370x = 16,305,806,942.16 × 7,572,156,481.68
  4. Step 4: Simplify right side
    10,881,875,370x = 123,470,121,726,099,587,072
  5. Step 5: Solve for x
    x = 123,470,121,726,099,587,072/10,881,875,370
  6. Step 6: Final answer
    x = 11,346,401,013.42

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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.