Home / 639,738,076.80-959,607,115.20-295,364,308.80

Finding the Fourth Proportional to 639,738,076.80, 959,607,115.20 and 295,364,308.80

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Solution

The fourth proportional to 639,738,076.80, 959,607,115.20 and 295,364,308.80 is: 443,046,463.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,738,076.80 : 959,607,115.20 = 295,364,308.80 : x
  2. Step 2: Convert to fraction form
    639,738,076.80/959,607,115.20 = 295,364,308.80/x
  3. Step 3: Cross multiply
    639,738,076.80x = 959,607,115.20 × 295,364,308.80
  4. Step 4: Simplify right side
    639,738,076.80x = 283,433,692,300,609,984
  5. Step 5: Solve for x
    x = 283,433,692,300,609,984/639,738,076.80
  6. Step 6: Final answer
    x = 443,046,463.20

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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.