Home / 779,239,306.08-1,075,336,951.11-422,004,180.96

Finding the Fourth Proportional to 779,239,306.08, 1,075,336,951.11 and 422,004,180.96

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Solution

The fourth proportional to 779,239,306.08, 1,075,336,951.11 and 422,004,180.96 is: 582,358,571.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,239,306.08 : 1,075,336,951.11 = 422,004,180.96 : x
  2. Step 2: Convert to fraction form
    779,239,306.08/1,075,336,951.11 = 422,004,180.96/x
  3. Step 3: Cross multiply
    779,239,306.08x = 1,075,336,951.11 × 422,004,180.96
  4. Step 4: Simplify right side
    779,239,306.08x = 453,796,689,309,199,040
  5. Step 5: Solve for x
    x = 453,796,689,309,199,040/779,239,306.08
  6. Step 6: Final answer
    x = 582,358,571.71

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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.