Home / 400,729,012,934.05-553,006,394,188.90-217,826,114,578.83

Finding the Fourth Proportional to 400,729,012,934.05, 553,006,394,188.90 and 217,826,114,578.83

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Solution

The fourth proportional to 400,729,012,934.05, 553,006,394,188.90 and 217,826,114,578.83 is: 300,600,231,816.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,729,012,934.05 : 553,006,394,188.90 = 217,826,114,578.83 : x
  2. Step 2: Convert to fraction form
    400,729,012,934.05/553,006,394,188.90 = 217,826,114,578.83/x
  3. Step 3: Cross multiply
    400,729,012,934.05x = 553,006,394,188.90 × 217,826,114,578.83
  4. Step 4: Simplify right side
    400,729,012,934.05x = 120,459,234,183,416,951,865,344
  5. Step 5: Solve for x
    x = 120,459,234,183,416,951,865,344/400,729,012,934.05
  6. Step 6: Final answer
    x = 300,600,231,816.11

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1.5x scale

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.