Home / 382,401,339,643.26-527,760,123,173.02-217,642,917,339.72

Finding the Fourth Proportional to 382,401,339,643.26, 527,760,123,173.02 and 217,642,917,339.72

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Solution

The fourth proportional to 382,401,339,643.26, 527,760,123,173.02 and 217,642,917,339.72 is: 300,373,562,943.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,401,339,643.26 : 527,760,123,173.02 = 217,642,917,339.72 : x
  2. Step 2: Convert to fraction form
    382,401,339,643.26/527,760,123,173.02 = 217,642,917,339.72/x
  3. Step 3: Cross multiply
    382,401,339,643.26x = 527,760,123,173.02 × 217,642,917,339.72
  4. Step 4: Simplify right side
    382,401,339,643.26x = 114,863,252,862,946,041,135,104
  5. Step 5: Solve for x
    x = 114,863,252,862,946,041,135,104/382,401,339,643.26
  6. Step 6: Final answer
    x = 300,373,562,943.32

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Double scale
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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.