Home / 382,401,280,609.76-527,760,041,840.52-217,642,858,344.56

Finding the Fourth Proportional to 382,401,280,609.76, 527,760,041,840.52 and 217,642,858,344.56

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Solution

The fourth proportional to 382,401,280,609.76, 527,760,041,840.52 and 217,642,858,344.56 is: 300,373,481,603.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,401,280,609.76 : 527,760,041,840.52 = 217,642,858,344.56 : x
  2. Step 2: Convert to fraction form
    382,401,280,609.76/527,760,041,840.52 = 217,642,858,344.56/x
  3. Step 3: Cross multiply
    382,401,280,609.76x = 527,760,041,840.52 × 217,642,858,344.56
  4. Step 4: Simplify right side
    382,401,280,609.76x = 114,863,204,026,215,364,034,560
  5. Step 5: Solve for x
    x = 114,863,204,026,215,364,034,560/382,401,280,609.76
  6. Step 6: Final answer
    x = 300,373,481,603.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.