Home / 656,063,995.20-984,095,992.80-267,757,771.20

Finding the Fourth Proportional to 656,063,995.20, 984,095,992.80 and 267,757,771.20

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Solution

The fourth proportional to 656,063,995.20, 984,095,992.80 and 267,757,771.20 is: 401,636,656.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,063,995.20 : 984,095,992.80 = 267,757,771.20 : x
  2. Step 2: Convert to fraction form
    656,063,995.20/984,095,992.80 = 267,757,771.20/x
  3. Step 3: Cross multiply
    656,063,995.20x = 984,095,992.80 × 267,757,771.20
  4. Step 4: Simplify right side
    656,063,995.20x = 263,499,349,678,979,232
  5. Step 5: Solve for x
    x = 263,499,349,678,979,232/656,063,995.20
  6. Step 6: Final answer
    x = 401,636,656.80

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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.