Home / 377,274,585.08-520,633,594.58-212,261,760.92

Finding the Fourth Proportional to 377,274,585.08, 520,633,594.58 and 212,261,760.92

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Solution

The fourth proportional to 377,274,585.08, 520,633,594.58 and 212,261,760.92 is: 292,918,229.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,274,585.08 : 520,633,594.58 = 212,261,760.92 : x
  2. Step 2: Convert to fraction form
    377,274,585.08/520,633,594.58 = 212,261,760.92/x
  3. Step 3: Cross multiply
    377,274,585.08x = 520,633,594.58 × 212,261,760.92
  4. Step 4: Simplify right side
    377,274,585.08x = 110,510,603,579,660,160
  5. Step 5: Solve for x
    x = 110,510,603,579,660,160/377,274,585.08
  6. Step 6: Final answer
    x = 292,918,229.72

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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.