Home / 885,862,414.40-1,328,395,490.40-340,422,670.40

Finding the Fourth Proportional to 885,862,414.40, 1,328,395,490.40 and 340,422,670.40

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Solution

The fourth proportional to 885,862,414.40, 1,328,395,490.40 and 340,422,670.40 is: 510,481,010.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,862,414.40 : 1,328,395,490.40 = 340,422,670.40 : x
  2. Step 2: Convert to fraction form
    885,862,414.40/1,328,395,490.40 = 340,422,670.40/x
  3. Step 3: Cross multiply
    885,862,414.40x = 1,328,395,490.40 × 340,422,670.40
  4. Step 4: Simplify right side
    885,862,414.40x = 452,215,940,189,285,568
  5. Step 5: Solve for x
    x = 452,215,940,189,285,568/885,862,414.40
  6. Step 6: Final answer
    x = 510,481,010.19

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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.