Home / 828,047,570.96-1,241,939,728.16-275,304,024.56

Finding the Fourth Proportional to 828,047,570.96, 1,241,939,728.16 and 275,304,024.56

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Solution

The fourth proportional to 828,047,570.96, 1,241,939,728.16 and 275,304,024.56 is: 412,912,273.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,047,570.96 : 1,241,939,728.16 = 275,304,024.56 : x
  2. Step 2: Convert to fraction form
    828,047,570.96/1,241,939,728.16 = 275,304,024.56/x
  3. Step 3: Cross multiply
    828,047,570.96x = 1,241,939,728.16 × 275,304,024.56
  4. Step 4: Simplify right side
    828,047,570.96x = 341,911,005,423,400,384
  5. Step 5: Solve for x
    x = 341,911,005,423,400,384/828,047,570.96
  6. Step 6: Final answer
    x = 412,912,273.90

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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.