Home / 1,123,804,305,405.40-1,686,069,493,933.20-519,825,708,360.40

Finding the Fourth Proportional to 1,123,804,305,405.40, 1,686,069,493,933.20 and 519,825,708,360.40

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Solution

The fourth proportional to 1,123,804,305,405.40, 1,686,069,493,933.20 and 519,825,708,360.40 is: 779,906,488,000.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,804,305,405.40 : 1,686,069,493,933.20 = 519,825,708,360.40 : x
  2. Step 2: Convert to fraction form
    1,123,804,305,405.40/1,686,069,493,933.20 = 519,825,708,360.40/x
  3. Step 3: Cross multiply
    1,123,804,305,405.40x = 1,686,069,493,933.20 × 519,825,708,360.40
  4. Step 4: Simplify right side
    1,123,804,305,405.40x = 876,462,269,028,686,916,222,976
  5. Step 5: Solve for x
    x = 876,462,269,028,686,916,222,976/1,123,804,305,405.40
  6. Step 6: Final answer
    x = 779,906,488,000.61

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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.