Home / 393,358,229,029.54-589,107,890,435.75-192,037,834,440.10

Finding the Fourth Proportional to 393,358,229,029.54, 589,107,890,435.75 and 192,037,834,440.10

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Solution

The fourth proportional to 393,358,229,029.54, 589,107,890,435.75 and 192,037,834,440.10 is: 287,602,991,832.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,358,229,029.54 : 589,107,890,435.75 = 192,037,834,440.10 : x
  2. Step 2: Convert to fraction form
    393,358,229,029.54/589,107,890,435.75 = 192,037,834,440.10/x
  3. Step 3: Cross multiply
    393,358,229,029.54x = 589,107,890,435.75 × 192,037,834,440.10
  4. Step 4: Simplify right side
    393,358,229,029.54x = 113,131,003,530,857,133,637,632
  5. Step 5: Solve for x
    x = 113,131,003,530,857,133,637,632/393,358,229,029.54
  6. Step 6: Final answer
    x = 287,602,991,832.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.