Home / 1,887,298,019.73-2,831,637,345.44-878,211,909.97

Finding the Fourth Proportional to 1,887,298,019.73, 2,831,637,345.44 and 878,211,909.97

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Solution

The fourth proportional to 1,887,298,019.73, 2,831,637,345.44 and 878,211,909.97 is: 1,317,639,087.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,887,298,019.73 : 2,831,637,345.44 = 878,211,909.97 : x
  2. Step 2: Convert to fraction form
    1,887,298,019.73/2,831,637,345.44 = 878,211,909.97/x
  3. Step 3: Cross multiply
    1,887,298,019.73x = 2,831,637,345.44 × 878,211,909.97
  4. Step 4: Simplify right side
    1,887,298,019.73x = 2,486,777,641,469,772,800
  5. Step 5: Solve for x
    x = 2,486,777,641,469,772,800/1,887,298,019.73
  6. Step 6: Final answer
    x = 1,317,639,087.98

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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.