Home / 274,617,492.23-378,611,524.06-198,171,599.91

Finding the Fourth Proportional to 274,617,492.23, 378,611,524.06 and 198,171,599.91

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Solution

The fourth proportional to 274,617,492.23, 378,611,524.06 and 198,171,599.91 is: 273,216,577.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,617,492.23 : 378,611,524.06 = 198,171,599.91 : x
  2. Step 2: Convert to fraction form
    274,617,492.23/378,611,524.06 = 198,171,599.91/x
  3. Step 3: Cross multiply
    274,617,492.23x = 378,611,524.06 × 198,171,599.91
  4. Step 4: Simplify right side
    274,617,492.23x = 75,030,051,466,838,224
  5. Step 5: Solve for x
    x = 75,030,051,466,838,224/274,617,492.23
  6. Step 6: Final answer
    x = 273,216,577.94

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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.