Home / 248,385,772.20-373,250,504.70-218,824,530.60

Finding the Fourth Proportional to 248,385,772.20, 373,250,504.70 and 218,824,530.60

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Solution

The fourth proportional to 248,385,772.20, 373,250,504.70 and 218,824,530.60 is: 328,828,683.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,385,772.20 : 373,250,504.70 = 218,824,530.60 : x
  2. Step 2: Convert to fraction form
    248,385,772.20/373,250,504.70 = 218,824,530.60/x
  3. Step 3: Cross multiply
    248,385,772.20x = 373,250,504.70 × 218,824,530.60
  4. Step 4: Simplify right side
    248,385,772.20x = 81,676,366,487,190,592
  5. Step 5: Solve for x
    x = 81,676,366,487,190,592/248,385,772.20
  6. Step 6: Final answer
    x = 328,828,683.56

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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.