Home / 386,529,834.24-580,153,069.44-195,187,979.52

Finding the Fourth Proportional to 386,529,834.24, 580,153,069.44 and 195,187,979.52

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Solution

The fourth proportional to 386,529,834.24, 580,153,069.44 and 195,187,979.52 is: 292,962,911.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,529,834.24 : 580,153,069.44 = 195,187,979.52 : x
  2. Step 2: Convert to fraction form
    386,529,834.24/580,153,069.44 = 195,187,979.52/x
  3. Step 3: Cross multiply
    386,529,834.24x = 580,153,069.44 × 195,187,979.52
  4. Step 4: Simplify right side
    386,529,834.24x = 113,238,905,436,319,872
  5. Step 5: Solve for x
    x = 113,238,905,436,319,872/386,529,834.24
  6. Step 6: Final answer
    x = 292,962,911.02

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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.