Home / 395,039,179.92-545,343,106.20-263,099,744.40

Finding the Fourth Proportional to 395,039,179.92, 545,343,106.20 and 263,099,744.40

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Solution

The fourth proportional to 395,039,179.92, 545,343,106.20 and 263,099,744.40 is: 363,203,548.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,039,179.92 : 545,343,106.20 = 263,099,744.40 : x
  2. Step 2: Convert to fraction form
    395,039,179.92/545,343,106.20 = 263,099,744.40/x
  3. Step 3: Cross multiply
    395,039,179.92x = 545,343,106.20 × 263,099,744.40
  4. Step 4: Simplify right side
    395,039,179.92x = 143,479,631,851,522,064
  5. Step 5: Solve for x
    x = 143,479,631,851,522,064/395,039,179.92
  6. Step 6: Final answer
    x = 363,203,548.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.