Home / 376,903,404.40-520,123,569.24-211,891,707.76

Finding the Fourth Proportional to 376,903,404.40, 520,123,569.24 and 211,891,707.76

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Solution

The fourth proportional to 376,903,404.40, 520,123,569.24 and 211,891,707.76 is: 292,408,797.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,903,404.40 : 520,123,569.24 = 211,891,707.76 : x
  2. Step 2: Convert to fraction form
    376,903,404.40/520,123,569.24 = 211,891,707.76/x
  3. Step 3: Cross multiply
    376,903,404.40x = 520,123,569.24 × 211,891,707.76
  4. Step 4: Simplify right side
    376,903,404.40x = 110,209,871,332,490,208
  5. Step 5: Solve for x
    x = 110,209,871,332,490,208/376,903,404.40
  6. Step 6: Final answer
    x = 292,408,797.71

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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.