Home / 539,321,960.67-744,052,532.43-313,222,453.93

Finding the Fourth Proportional to 539,321,960.67, 744,052,532.43 and 313,222,453.93

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Solution

The fourth proportional to 539,321,960.67, 744,052,532.43 and 313,222,453.93 is: 432,123,994.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,321,960.67 : 744,052,532.43 = 313,222,453.93 : x
  2. Step 2: Convert to fraction form
    539,321,960.67/744,052,532.43 = 313,222,453.93/x
  3. Step 3: Cross multiply
    539,321,960.67x = 744,052,532.43 × 313,222,453.93
  4. Step 4: Simplify right side
    539,321,960.67x = 233,053,960,060,555,488
  5. Step 5: Solve for x
    x = 233,053,960,060,555,488/539,321,960.67
  6. Step 6: Final answer
    x = 432,123,994.67

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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.