Home / 1,123,804,305,409.90-1,686,069,493,940-519,825,708,364.90

Finding the Fourth Proportional to 1,123,804,305,409.90, 1,686,069,493,940 and 519,825,708,364.90

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Solution

The fourth proportional to 1,123,804,305,409.90, 1,686,069,493,940 and 519,825,708,364.90 is: 779,906,488,007.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,804,305,409.90 : 1,686,069,493,940 = 519,825,708,364.90 : x
  2. Step 2: Convert to fraction form
    1,123,804,305,409.90/1,686,069,493,940 = 519,825,708,364.90/x
  3. Step 3: Cross multiply
    1,123,804,305,409.90x = 1,686,069,493,940 × 519,825,708,364.90
  4. Step 4: Simplify right side
    1,123,804,305,409.90x = 876,462,269,039,809,002,471,424
  5. Step 5: Solve for x
    x = 876,462,269,039,809,002,471,424/1,123,804,305,409.90
  6. Step 6: Final answer
    x = 779,906,488,007.38

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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.