Home / 821,804,272.80-1,232,689,138.65-200,022,973.65

Finding the Fourth Proportional to 821,804,272.80, 1,232,689,138.65 and 200,022,973.65

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Solution

The fourth proportional to 821,804,272.80, 1,232,689,138.65 and 200,022,973.65 is: 300,030,256.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,804,272.80 : 1,232,689,138.65 = 200,022,973.65 : x
  2. Step 2: Convert to fraction form
    821,804,272.80/1,232,689,138.65 = 200,022,973.65/x
  3. Step 3: Cross multiply
    821,804,272.80x = 1,232,689,138.65 × 200,022,973.65
  4. Step 4: Simplify right side
    821,804,272.80x = 246,566,147,098,830,176
  5. Step 5: Solve for x
    x = 246,566,147,098,830,176/821,804,272.80
  6. Step 6: Final answer
    x = 300,030,256.91

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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.