Home / 1,647,218,353.20-2,470,825,546.83-420,386,935.92

Finding the Fourth Proportional to 1,647,218,353.20, 2,470,825,546.83 and 420,386,935.92

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Solution

The fourth proportional to 1,647,218,353.20, 2,470,825,546.83 and 420,386,935.92 is: 630,579,897.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,647,218,353.20 : 2,470,825,546.83 = 420,386,935.92 : x
  2. Step 2: Convert to fraction form
    1,647,218,353.20/2,470,825,546.83 = 420,386,935.92/x
  3. Step 3: Cross multiply
    1,647,218,353.20x = 2,470,825,546.83 × 420,386,935.92
  4. Step 4: Simplify right side
    1,647,218,353.20x = 1,038,702,780,824,722,176
  5. Step 5: Solve for x
    x = 1,038,702,780,824,722,176/1,647,218,353.20
  6. Step 6: Final answer
    x = 630,579,897.81

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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.