Home / 457,033,077.78-685,333,503.38-177,045,125.58

Finding the Fourth Proportional to 457,033,077.78, 685,333,503.38 and 177,045,125.58

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Solution

The fourth proportional to 457,033,077.78, 685,333,503.38 and 177,045,125.58 is: 265,483,970.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,033,077.78 : 685,333,503.38 = 177,045,125.58 : x
  2. Step 2: Convert to fraction form
    457,033,077.78/685,333,503.38 = 177,045,125.58/x
  3. Step 3: Cross multiply
    457,033,077.78x = 685,333,503.38 × 177,045,125.58
  4. Step 4: Simplify right side
    457,033,077.78x = 121,334,956,170,093,456
  5. Step 5: Solve for x
    x = 121,334,956,170,093,456/457,033,077.78
  6. Step 6: Final answer
    x = 265,483,970.57

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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.