Home / 543,948,879.18-816,082,493.49-175,476,742.86

Finding the Fourth Proportional to 543,948,879.18, 816,082,493.49 and 175,476,742.86

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Solution

The fourth proportional to 543,948,879.18, 816,082,493.49 and 175,476,742.86 is: 263,266,463.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,948,879.18 : 816,082,493.49 = 175,476,742.86 : x
  2. Step 2: Convert to fraction form
    543,948,879.18/816,082,493.49 = 175,476,742.86/x
  3. Step 3: Cross multiply
    543,948,879.18x = 816,082,493.49 × 175,476,742.86
  4. Step 4: Simplify right side
    543,948,879.18x = 143,203,497,862,692,368
  5. Step 5: Solve for x
    x = 143,203,497,862,692,368/543,948,879.18
  6. Step 6: Final answer
    x = 263,266,463.71

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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.