Home / 13,312,786,451.76-18,372,222,802.64-7,372,338,953.76

Finding the Fourth Proportional to 13,312,786,451.76, 18,372,222,802.64 and 7,372,338,953.76

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Solution

The fourth proportional to 13,312,786,451.76, 18,372,222,802.64 and 7,372,338,953.76 is: 10,174,147,563.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,312,786,451.76 : 18,372,222,802.64 = 7,372,338,953.76 : x
  2. Step 2: Convert to fraction form
    13,312,786,451.76/18,372,222,802.64 = 7,372,338,953.76/x
  3. Step 3: Cross multiply
    13,312,786,451.76x = 18,372,222,802.64 × 7,372,338,953.76
  4. Step 4: Simplify right side
    13,312,786,451.76x = 135,446,253,835,023,728,640
  5. Step 5: Solve for x
    x = 135,446,253,835,023,728,640/13,312,786,451.76
  6. Step 6: Final answer
    x = 10,174,147,563.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.