Home / 1,123,804,305,403.60-1,686,069,493,930.60-519,825,708,358.65

Finding the Fourth Proportional to 1,123,804,305,403.60, 1,686,069,493,930.60 and 519,825,708,358.65

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Solution

The fourth proportional to 1,123,804,305,403.60, 1,686,069,493,930.60 and 519,825,708,358.65 is: 779,906,487,998.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,804,305,403.60 : 1,686,069,493,930.60 = 519,825,708,358.65 : x
  2. Step 2: Convert to fraction form
    1,123,804,305,403.60/1,686,069,493,930.60 = 519,825,708,358.65/x
  3. Step 3: Cross multiply
    1,123,804,305,403.60x = 1,686,069,493,930.60 × 519,825,708,358.65
  4. Step 4: Simplify right side
    1,123,804,305,403.60x = 876,462,269,024,384,701,169,664
  5. Step 5: Solve for x
    x = 876,462,269,024,384,701,169,664/1,123,804,305,403.60
  6. Step 6: Final answer
    x = 779,906,487,998.03

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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.