Home / 821,804,271.30-1,232,689,136.42-200,022,972.17

Finding the Fourth Proportional to 821,804,271.30, 1,232,689,136.42 and 200,022,972.17

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Solution

The fourth proportional to 821,804,271.30, 1,232,689,136.42 and 200,022,972.17 is: 300,030,254.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,804,271.30 : 1,232,689,136.42 = 200,022,972.17 : x
  2. Step 2: Convert to fraction form
    821,804,271.30/1,232,689,136.42 = 200,022,972.17/x
  3. Step 3: Cross multiply
    821,804,271.30x = 1,232,689,136.42 × 200,022,972.17
  4. Step 4: Simplify right side
    821,804,271.30x = 246,566,144,821,235,424
  5. Step 5: Solve for x
    x = 246,566,144,821,235,424/821,804,271.30
  6. Step 6: Final answer
    x = 300,030,254.69

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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.