Home / 496,496,232.32-685,164,792.48-287,773,440.80

Finding the Fourth Proportional to 496,496,232.32, 685,164,792.48 and 287,773,440.80

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Solution

The fourth proportional to 496,496,232.32, 685,164,792.48 and 287,773,440.80 is: 397,127,343.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,496,232.32 : 685,164,792.48 = 287,773,440.80 : x
  2. Step 2: Convert to fraction form
    496,496,232.32/685,164,792.48 = 287,773,440.80/x
  3. Step 3: Cross multiply
    496,496,232.32x = 685,164,792.48 × 287,773,440.80
  4. Step 4: Simplify right side
    496,496,232.32x = 197,172,229,846,987,584
  5. Step 5: Solve for x
    x = 197,172,229,846,987,584/496,496,232.32
  6. Step 6: Final answer
    x = 397,127,343.60

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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.