Home / 263,084,617.80-394,060,056.30-217,734,985.80

Finding the Fourth Proportional to 263,084,617.80, 394,060,056.30 and 217,734,985.80

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Solution

The fourth proportional to 263,084,617.80, 394,060,056.30 and 217,734,985.80 is: 326,133,323.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,084,617.80 : 394,060,056.30 = 217,734,985.80 : x
  2. Step 2: Convert to fraction form
    263,084,617.80/394,060,056.30 = 217,734,985.80/x
  3. Step 3: Cross multiply
    263,084,617.80x = 394,060,056.30 × 217,734,985.80
  4. Step 4: Simplify right side
    263,084,617.80x = 85,800,660,762,827,712
  5. Step 5: Solve for x
    x = 85,800,660,762,827,712/263,084,617.80
  6. Step 6: Final answer
    x = 326,133,323.49

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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.