Home / 376,057,102.98-518,975,010.24-208,793,372.46

Finding the Fourth Proportional to 376,057,102.98, 518,975,010.24 and 208,793,372.46

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Solution

The fourth proportional to 376,057,102.98, 518,975,010.24 and 208,793,372.46 is: 288,143,853.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,057,102.98 : 518,975,010.24 = 208,793,372.46 : x
  2. Step 2: Convert to fraction form
    376,057,102.98/518,975,010.24 = 208,793,372.46/x
  3. Step 3: Cross multiply
    376,057,102.98x = 518,975,010.24 × 208,793,372.46
  4. Step 4: Simplify right side
    376,057,102.98x = 108,358,542,610,472,640
  5. Step 5: Solve for x
    x = 108,358,542,610,472,640/376,057,102.98
  6. Step 6: Final answer
    x = 288,143,853.03

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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.