Home / 377,552,562.43-521,048,722.52-228,879,949.78

Finding the Fourth Proportional to 377,552,562.43, 521,048,722.52 and 228,879,949.78

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Solution

The fourth proportional to 377,552,562.43, 521,048,722.52 and 228,879,949.78 is: 315,870,205.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,552,562.43 : 521,048,722.52 = 228,879,949.78 : x
  2. Step 2: Convert to fraction form
    377,552,562.43/521,048,722.52 = 228,879,949.78/x
  3. Step 3: Cross multiply
    377,552,562.43x = 521,048,722.52 × 228,879,949.78
  4. Step 4: Simplify right side
    377,552,562.43x = 119,257,605,442,580,336
  5. Step 5: Solve for x
    x = 119,257,605,442,580,336/377,552,562.43
  6. Step 6: Final answer
    x = 315,870,205.40

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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.