Home / 381,892,713,152.41-527,012,466,803.10-208,278,272,338.21

Finding the Fourth Proportional to 381,892,713,152.41, 527,012,466,803.10 and 208,278,272,338.21

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Solution

The fourth proportional to 381,892,713,152.41, 527,012,466,803.10 and 208,278,272,338.21 is: 287,424,300,873.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,892,713,152.41 : 527,012,466,803.10 = 208,278,272,338.21 : x
  2. Step 2: Convert to fraction form
    381,892,713,152.41/527,012,466,803.10 = 208,278,272,338.21/x
  3. Step 3: Cross multiply
    381,892,713,152.41x = 527,012,466,803.10 × 208,278,272,338.21
  4. Step 4: Simplify right side
    381,892,713,152.41x = 109,765,246,086,447,915,597,824
  5. Step 5: Solve for x
    x = 109,765,246,086,447,915,597,824/381,892,713,152.41
  6. Step 6: Final answer
    x = 287,424,300,873.32

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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.