Home / 522,421,331.34-783,745,371.09-158,906,239.50

Finding the Fourth Proportional to 522,421,331.34, 783,745,371.09 and 158,906,239.50

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Solution

The fourth proportional to 522,421,331.34, 783,745,371.09 and 158,906,239.50 is: 238,393,844.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,421,331.34 : 783,745,371.09 = 158,906,239.50 : x
  2. Step 2: Convert to fraction form
    522,421,331.34/783,745,371.09 = 158,906,239.50/x
  3. Step 3: Cross multiply
    522,421,331.34x = 783,745,371.09 × 158,906,239.50
  4. Step 4: Simplify right side
    522,421,331.34x = 124,542,029,645,443,920
  5. Step 5: Solve for x
    x = 124,542,029,645,443,920/522,421,331.34
  6. Step 6: Final answer
    x = 238,393,844.54

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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.