Home / 821,804,277.33-1,232,689,145.43-200,022,978.18

Finding the Fourth Proportional to 821,804,277.33, 1,232,689,145.43 and 200,022,978.18

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Solution

The fourth proportional to 821,804,277.33, 1,232,689,145.43 and 200,022,978.18 is: 300,030,263.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,804,277.33 : 1,232,689,145.43 = 200,022,978.18 : x
  2. Step 2: Convert to fraction form
    821,804,277.33/1,232,689,145.43 = 200,022,978.18/x
  3. Step 3: Cross multiply
    821,804,277.33x = 1,232,689,145.43 × 200,022,978.18
  4. Step 4: Simplify right side
    821,804,277.33x = 246,566,154,039,067,744
  5. Step 5: Solve for x
    x = 246,566,154,039,067,744/821,804,277.33
  6. Step 6: Final answer
    x = 300,030,263.70

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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.