Home / 457,033,076.78-685,333,501.88-177,045,124.58

Finding the Fourth Proportional to 457,033,076.78, 685,333,501.88 and 177,045,124.58

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Solution

The fourth proportional to 457,033,076.78, 685,333,501.88 and 177,045,124.58 is: 265,483,969.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,033,076.78 : 685,333,501.88 = 177,045,124.58 : x
  2. Step 2: Convert to fraction form
    457,033,076.78/685,333,501.88 = 177,045,124.58/x
  3. Step 3: Cross multiply
    457,033,076.78x = 685,333,501.88 × 177,045,124.58
  4. Step 4: Simplify right side
    457,033,076.78x = 121,334,955,219,192,272
  5. Step 5: Solve for x
    x = 121,334,955,219,192,272/457,033,076.78
  6. Step 6: Final answer
    x = 265,483,969.07

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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.