Home / 443,686,828.66-612,305,851.94-245,444,905.56

Finding the Fourth Proportional to 443,686,828.66, 612,305,851.94 and 245,444,905.56

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Solution

The fourth proportional to 443,686,828.66, 612,305,851.94 and 245,444,905.56 is: 338,723,942.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,686,828.66 : 612,305,851.94 = 245,444,905.56 : x
  2. Step 2: Convert to fraction form
    443,686,828.66/612,305,851.94 = 245,444,905.56/x
  3. Step 3: Cross multiply
    443,686,828.66x = 612,305,851.94 × 245,444,905.56
  4. Step 4: Simplify right side
    443,686,828.66x = 150,287,352,003,248,672
  5. Step 5: Solve for x
    x = 150,287,352,003,248,672/443,686,828.66
  6. Step 6: Final answer
    x = 338,723,942.87

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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.