Home / 382,401,173,147.90-527,759,893,932.15-217,642,753,018.32

Finding the Fourth Proportional to 382,401,173,147.90, 527,759,893,932.15 and 217,642,753,018.32

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Solution

The fourth proportional to 382,401,173,147.90, 527,759,893,932.15 and 217,642,753,018.32 is: 300,373,336,468.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,401,173,147.90 : 527,759,893,932.15 = 217,642,753,018.32 : x
  2. Step 2: Convert to fraction form
    382,401,173,147.90/527,759,893,932.15 = 217,642,753,018.32/x
  3. Step 3: Cross multiply
    382,401,173,147.90x = 527,759,893,932.15 × 217,642,753,018.32
  4. Step 4: Simplify right side
    382,401,173,147.90x = 114,863,116,248,049,690,607,616
  5. Step 5: Solve for x
    x = 114,863,116,248,049,690,607,616/382,401,173,147.90
  6. Step 6: Final answer
    x = 300,373,336,468.88

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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.