Home / 828,047,558.94-1,241,939,710.16-275,304,012.54

Finding the Fourth Proportional to 828,047,558.94, 1,241,939,710.16 and 275,304,012.54

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Solution

The fourth proportional to 828,047,558.94, 1,241,939,710.16 and 275,304,012.54 is: 412,912,255.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,047,558.94 : 1,241,939,710.16 = 275,304,012.54 : x
  2. Step 2: Convert to fraction form
    828,047,558.94/1,241,939,710.16 = 275,304,012.54/x
  3. Step 3: Cross multiply
    828,047,558.94x = 1,241,939,710.16 × 275,304,012.54
  4. Step 4: Simplify right side
    828,047,558.94x = 341,910,985,539,812,672
  5. Step 5: Solve for x
    x = 341,910,985,539,812,672/828,047,558.94
  6. Step 6: Final answer
    x = 412,912,255.88

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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.