Home / 1,998,106,981,826.20-2,996,806,185,145.60-908,748,816,453.72

Finding the Fourth Proportional to 1,998,106,981,826.20, 2,996,806,185,145.60 and 908,748,816,453.72

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Solution

The fourth proportional to 1,998,106,981,826.20, 2,996,806,185,145.60 and 908,748,816,453.72 is: 1,362,962,092,952.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,998,106,981,826.20 : 2,996,806,185,145.60 = 908,748,816,453.72 : x
  2. Step 2: Convert to fraction form
    1,998,106,981,826.20/2,996,806,185,145.60 = 908,748,816,453.72/x
  3. Step 3: Cross multiply
    1,998,106,981,826.20x = 2,996,806,185,145.60 × 908,748,816,453.72
  4. Step 4: Simplify right side
    1,998,106,981,826.20x = 2,723,344,073,892,251,893,235,712
  5. Step 5: Solve for x
    x = 2,723,344,073,892,251,893,235,712/1,998,106,981,826.20
  6. Step 6: Final answer
    x = 1,362,962,092,952.21

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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.