Home / 1,123,804,305,405.10-1,686,069,493,932.80-519,825,708,360.15

Finding the Fourth Proportional to 1,123,804,305,405.10, 1,686,069,493,932.80 and 519,825,708,360.15

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Solution

The fourth proportional to 1,123,804,305,405.10, 1,686,069,493,932.80 and 519,825,708,360.15 is: 779,906,488,000.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,804,305,405.10 : 1,686,069,493,932.80 = 519,825,708,360.15 : x
  2. Step 2: Convert to fraction form
    1,123,804,305,405.10/1,686,069,493,932.80 = 519,825,708,360.15/x
  3. Step 3: Cross multiply
    1,123,804,305,405.10x = 1,686,069,493,932.80 × 519,825,708,360.15
  4. Step 4: Simplify right side
    1,123,804,305,405.10x = 876,462,269,028,057,435,078,656
  5. Step 5: Solve for x
    x = 876,462,269,028,057,435,078,656/1,123,804,305,405.10
  6. Step 6: Final answer
    x = 779,906,488,000.26

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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.