Home / 443,686,832.44-612,305,857.16-245,444,909.34

Finding the Fourth Proportional to 443,686,832.44, 612,305,857.16 and 245,444,909.34

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Solution

The fourth proportional to 443,686,832.44, 612,305,857.16 and 245,444,909.34 is: 338,723,948.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,686,832.44 : 612,305,857.16 = 245,444,909.34 : x
  2. Step 2: Convert to fraction form
    443,686,832.44/612,305,857.16 = 245,444,909.34/x
  3. Step 3: Cross multiply
    443,686,832.44x = 612,305,857.16 × 245,444,909.34
  4. Step 4: Simplify right side
    443,686,832.44x = 150,287,355,600,976,544
  5. Step 5: Solve for x
    x = 150,287,355,600,976,544/443,686,832.44
  6. Step 6: Final answer
    x = 338,723,948.09

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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.