Home / 395,041,451.52-593,472,902.40-378,715,860.48

Finding the Fourth Proportional to 395,041,451.52, 593,472,902.40 and 378,715,860.48

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Solution

The fourth proportional to 395,041,451.52, 593,472,902.40 and 378,715,860.48 is: 568,946,878.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,041,451.52 : 593,472,902.40 = 378,715,860.48 : x
  2. Step 2: Convert to fraction form
    395,041,451.52/593,472,902.40 = 378,715,860.48/x
  3. Step 3: Cross multiply
    395,041,451.52x = 593,472,902.40 × 378,715,860.48
  4. Step 4: Simplify right side
    395,041,451.52x = 224,757,600,903,979,072
  5. Step 5: Solve for x
    x = 224,757,600,903,979,072/395,041,451.52
  6. Step 6: Final answer
    x = 568,946,878.96

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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.