Home / 540,200,425.67-744,743,463.97-379,045,449.51

Finding the Fourth Proportional to 540,200,425.67, 744,743,463.97 and 379,045,449.51

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Solution

The fourth proportional to 540,200,425.67, 744,743,463.97 and 379,045,449.51 is: 522,568,305.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,200,425.67 : 744,743,463.97 = 379,045,449.51 : x
  2. Step 2: Convert to fraction form
    540,200,425.67/744,743,463.97 = 379,045,449.51/x
  3. Step 3: Cross multiply
    540,200,425.67x = 744,743,463.97 × 379,045,449.51
  4. Step 4: Simplify right side
    540,200,425.67x = 282,291,621,072,526,752
  5. Step 5: Solve for x
    x = 282,291,621,072,526,752/540,200,425.67
  6. Step 6: Final answer
    x = 522,568,305.50

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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.