Home / 821,804,272.75-1,232,689,138.59-200,022,973.62

Finding the Fourth Proportional to 821,804,272.75, 1,232,689,138.59 and 200,022,973.62

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Solution

The fourth proportional to 821,804,272.75, 1,232,689,138.59 and 200,022,973.62 is: 300,030,256.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,804,272.75 : 1,232,689,138.59 = 200,022,973.62 : x
  2. Step 2: Convert to fraction form
    821,804,272.75/1,232,689,138.59 = 200,022,973.62/x
  3. Step 3: Cross multiply
    821,804,272.75x = 1,232,689,138.59 × 200,022,973.62
  4. Step 4: Simplify right side
    821,804,272.75x = 246,566,147,048,569,376
  5. Step 5: Solve for x
    x = 246,566,147,048,569,376/821,804,272.75
  6. Step 6: Final answer
    x = 300,030,256.87

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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.