Home / 1,458,398,635.17-2,187,601,315.68-840,651,284.61

Finding the Fourth Proportional to 1,458,398,635.17, 2,187,601,315.68 and 840,651,284.61

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Solution

The fourth proportional to 1,458,398,635.17, 2,187,601,315.68 and 840,651,284.61 is: 1,260,978,865.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458,398,635.17 : 2,187,601,315.68 = 840,651,284.61 : x
  2. Step 2: Convert to fraction form
    1,458,398,635.17/2,187,601,315.68 = 840,651,284.61/x
  3. Step 3: Cross multiply
    1,458,398,635.17x = 2,187,601,315.68 × 840,651,284.61
  4. Step 4: Simplify right side
    1,458,398,635.17x = 1,839,009,856,240,918,016
  5. Step 5: Solve for x
    x = 1,839,009,856,240,918,016/1,458,398,635.17
  6. Step 6: Final answer
    x = 1,260,978,865.37

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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.