Home / 1,858,268,841.36-2,789,340,293.96-823,856,159.76

Finding the Fourth Proportional to 1,858,268,841.36, 2,789,340,293.96 and 823,856,159.76

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Solution

The fourth proportional to 1,858,268,841.36, 2,789,340,293.96 and 823,856,159.76 is: 1,236,643,015.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,858,268,841.36 : 2,789,340,293.96 = 823,856,159.76 : x
  2. Step 2: Convert to fraction form
    1,858,268,841.36/2,789,340,293.96 = 823,856,159.76/x
  3. Step 3: Cross multiply
    1,858,268,841.36x = 2,789,340,293.96 × 823,856,159.76
  4. Step 4: Simplify right side
    1,858,268,841.36x = 2,298,015,182,845,715,200
  5. Step 5: Solve for x
    x = 2,298,015,182,845,715,200/1,858,268,841.36
  6. Step 6: Final answer
    x = 1,236,643,015.10

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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.