Home / 1,818,239,257.66-2,727,060,288.08-782,821,381.18

Finding the Fourth Proportional to 1,818,239,257.66, 2,727,060,288.08 and 782,821,381.18

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Solution

The fourth proportional to 1,818,239,257.66, 2,727,060,288.08 and 782,821,381.18 is: 1,174,103,513.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,818,239,257.66 : 2,727,060,288.08 = 782,821,381.18 : x
  2. Step 2: Convert to fraction form
    1,818,239,257.66/2,727,060,288.08 = 782,821,381.18/x
  3. Step 3: Cross multiply
    1,818,239,257.66x = 2,727,060,288.08 × 782,821,381.18
  4. Step 4: Simplify right side
    1,818,239,257.66x = 2,134,801,101,262,278,912
  5. Step 5: Solve for x
    x = 2,134,801,101,262,278,912/1,818,239,257.66
  6. Step 6: Final answer
    x = 1,174,103,513.76

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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.