Home / 1,123,804,305,403.90-1,686,069,493,930.90-519,825,708,358.90

Finding the Fourth Proportional to 1,123,804,305,403.90, 1,686,069,493,930.90 and 519,825,708,358.90

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Solution

The fourth proportional to 1,123,804,305,403.90, 1,686,069,493,930.90 and 519,825,708,358.90 is: 779,906,487,998.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,804,305,403.90 : 1,686,069,493,930.90 = 519,825,708,358.90 : x
  2. Step 2: Convert to fraction form
    1,123,804,305,403.90/1,686,069,493,930.90 = 519,825,708,358.90/x
  3. Step 3: Cross multiply
    1,123,804,305,403.90x = 1,686,069,493,930.90 × 519,825,708,358.90
  4. Step 4: Simplify right side
    1,123,804,305,403.90x = 876,462,269,024,962,105,835,520
  5. Step 5: Solve for x
    x = 876,462,269,024,962,105,835,520/1,123,804,305,403.90
  6. Step 6: Final answer
    x = 779,906,487,998.33

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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.