Home / 891,707,029.56-1,337,030,728.20-339,049,871.28

Finding the Fourth Proportional to 891,707,029.56, 1,337,030,728.20 and 339,049,871.28

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Solution

The fourth proportional to 891,707,029.56, 1,337,030,728.20 and 339,049,871.28 is: 508,373,357.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,707,029.56 : 1,337,030,728.20 = 339,049,871.28 : x
  2. Step 2: Convert to fraction form
    891,707,029.56/1,337,030,728.20 = 339,049,871.28/x
  3. Step 3: Cross multiply
    891,707,029.56x = 1,337,030,728.20 × 339,049,871.28
  4. Step 4: Simplify right side
    891,707,029.56x = 453,320,096,293,614,656
  5. Step 5: Solve for x
    x = 453,320,096,293,614,656/891,707,029.56
  6. Step 6: Final answer
    x = 508,373,357.24

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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.