Home / 351,770,947.78-527,313,291.50-167,488,909.49

Finding the Fourth Proportional to 351,770,947.78, 527,313,291.50 and 167,488,909.49

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Solution

The fourth proportional to 351,770,947.78, 527,313,291.50 and 167,488,909.49 is: 251,069,989.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,770,947.78 : 527,313,291.50 = 167,488,909.49 : x
  2. Step 2: Convert to fraction form
    351,770,947.78/527,313,291.50 = 167,488,909.49/x
  3. Step 3: Cross multiply
    351,770,947.78x = 527,313,291.50 × 167,488,909.49
  4. Step 4: Simplify right side
    351,770,947.78x = 88,319,128,152,917,488
  5. Step 5: Solve for x
    x = 88,319,128,152,917,488/351,770,947.78
  6. Step 6: Final answer
    x = 251,069,989.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.