Home / 852,704,671.42-1,279,179,018.77-262,544,845.21

Finding the Fourth Proportional to 852,704,671.42, 1,279,179,018.77 and 262,544,845.21

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Solution

The fourth proportional to 852,704,671.42, 1,279,179,018.77 and 262,544,845.21 is: 393,854,834.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,704,671.42 : 1,279,179,018.77 = 262,544,845.21 : x
  2. Step 2: Convert to fraction form
    852,704,671.42/1,279,179,018.77 = 262,544,845.21/x
  3. Step 3: Cross multiply
    852,704,671.42x = 1,279,179,018.77 × 262,544,845.21
  4. Step 4: Simplify right side
    852,704,671.42x = 335,841,857,471,140,736
  5. Step 5: Solve for x
    x = 335,841,857,471,140,736/852,704,671.42
  6. Step 6: Final answer
    x = 393,854,834.77

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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.