Home / 639,738,007.80-959,607,011.70-295,364,239.80

Finding the Fourth Proportional to 639,738,007.80, 959,607,011.70 and 295,364,239.80

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Solution

The fourth proportional to 639,738,007.80, 959,607,011.70 and 295,364,239.80 is: 443,046,359.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,738,007.80 : 959,607,011.70 = 295,364,239.80 : x
  2. Step 2: Convert to fraction form
    639,738,007.80/959,607,011.70 = 295,364,239.80/x
  3. Step 3: Cross multiply
    639,738,007.80x = 959,607,011.70 × 295,364,239.80
  4. Step 4: Simplify right side
    639,738,007.80x = 283,433,595,517,520,224
  5. Step 5: Solve for x
    x = 283,433,595,517,520,224/639,738,007.80
  6. Step 6: Final answer
    x = 443,046,359.70

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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.