Home / 391,216,529.10-586,824,793.65-276,425,273.10

Finding the Fourth Proportional to 391,216,529.10, 586,824,793.65 and 276,425,273.10

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Solution

The fourth proportional to 391,216,529.10, 586,824,793.65 and 276,425,273.10 is: 414,637,909.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,216,529.10 : 586,824,793.65 = 276,425,273.10 : x
  2. Step 2: Convert to fraction form
    391,216,529.10/586,824,793.65 = 276,425,273.10/x
  3. Step 3: Cross multiply
    391,216,529.10x = 586,824,793.65 × 276,425,273.10
  4. Step 4: Simplify right side
    391,216,529.10x = 162,213,203,846,552,416
  5. Step 5: Solve for x
    x = 162,213,203,846,552,416/391,216,529.10
  6. Step 6: Final answer
    x = 414,637,909.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.