Home / 494,920,903.68-742,381,244.82-126,456,546.06

Finding the Fourth Proportional to 494,920,903.68, 742,381,244.82 and 126,456,546.06

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Solution

The fourth proportional to 494,920,903.68, 742,381,244.82 and 126,456,546.06 is: 189,684,790.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,920,903.68 : 742,381,244.82 = 126,456,546.06 : x
  2. Step 2: Convert to fraction form
    494,920,903.68/742,381,244.82 = 126,456,546.06/x
  3. Step 3: Cross multiply
    494,920,903.68x = 742,381,244.82 × 126,456,546.06
  4. Step 4: Simplify right side
    494,920,903.68x = 93,878,968,079,660,480
  5. Step 5: Solve for x
    x = 93,878,968,079,660,480/494,920,903.68
  6. Step 6: Final answer
    x = 189,684,790.81

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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.