Home / 356,037,063.81-491,324,644.96-197,266,607.65

Finding the Fourth Proportional to 356,037,063.81, 491,324,644.96 and 197,266,607.65

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Solution

The fourth proportional to 356,037,063.81, 491,324,644.96 and 197,266,607.65 is: 272,224,315.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,037,063.81 : 491,324,644.96 = 197,266,607.65 : x
  2. Step 2: Convert to fraction form
    356,037,063.81/491,324,644.96 = 197,266,607.65/x
  3. Step 3: Cross multiply
    356,037,063.81x = 491,324,644.96 × 197,266,607.65
  4. Step 4: Simplify right side
    356,037,063.81x = 96,921,945,966,099,872
  5. Step 5: Solve for x
    x = 96,921,945,966,099,872/356,037,063.81
  6. Step 6: Final answer
    x = 272,224,315.44

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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.