Home / 512,243,642.58-768,250,465.93-235,629,192.57

Finding the Fourth Proportional to 512,243,642.58, 768,250,465.93 and 235,629,192.57

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Solution

The fourth proportional to 512,243,642.58, 768,250,465.93 and 235,629,192.57 is: 353,390,890.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,243,642.58 : 768,250,465.93 = 235,629,192.57 : x
  2. Step 2: Convert to fraction form
    512,243,642.58/768,250,465.93 = 235,629,192.57/x
  3. Step 3: Cross multiply
    512,243,642.58x = 768,250,465.93 × 235,629,192.57
  4. Step 4: Simplify right side
    512,243,642.58x = 181,022,236,978,612,192
  5. Step 5: Solve for x
    x = 181,022,236,978,612,192/512,243,642.58
  6. Step 6: Final answer
    x = 353,390,890.45

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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.