Home / 13,312,786,453.13-18,372,222,804.53-7,372,338,955.13

Finding the Fourth Proportional to 13,312,786,453.13, 18,372,222,804.53 and 7,372,338,955.13

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Solution

The fourth proportional to 13,312,786,453.13, 18,372,222,804.53 and 7,372,338,955.13 is: 10,174,147,564.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,312,786,453.13 : 18,372,222,804.53 = 7,372,338,955.13 : x
  2. Step 2: Convert to fraction form
    13,312,786,453.13/18,372,222,804.53 = 7,372,338,955.13/x
  3. Step 3: Cross multiply
    13,312,786,453.13x = 18,372,222,804.53 × 7,372,338,955.13
  4. Step 4: Simplify right side
    13,312,786,453.13x = 135,446,253,874,035,539,968
  5. Step 5: Solve for x
    x = 135,446,253,874,035,539,968/13,312,786,453.13
  6. Step 6: Final answer
    x = 10,174,147,564.90

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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.