Home / 377,117,582.20-520,467,568.77-228,434,340.72

Finding the Fourth Proportional to 377,117,582.20, 520,467,568.77 and 228,434,340.72

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Solution

The fourth proportional to 377,117,582.20, 520,467,568.77 and 228,434,340.72 is: 315,266,833.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,117,582.20 : 520,467,568.77 = 228,434,340.72 : x
  2. Step 2: Convert to fraction form
    377,117,582.20/520,467,568.77 = 228,434,340.72/x
  3. Step 3: Cross multiply
    377,117,582.20x = 520,467,568.77 × 228,434,340.72
  4. Step 4: Simplify right side
    377,117,582.20x = 118,892,665,938,116,208
  5. Step 5: Solve for x
    x = 118,892,665,938,116,208/377,117,582.20
  6. Step 6: Final answer
    x = 315,266,833.34

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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.