Home / 522,421,239.47-783,745,233.35-158,906,147.63

Finding the Fourth Proportional to 522,421,239.47, 783,745,233.35 and 158,906,147.63

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Solution

The fourth proportional to 522,421,239.47, 783,745,233.35 and 158,906,147.63 is: 238,393,706.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,421,239.47 : 783,745,233.35 = 158,906,147.63 : x
  2. Step 2: Convert to fraction form
    522,421,239.47/783,745,233.35 = 158,906,147.63/x
  3. Step 3: Cross multiply
    522,421,239.47x = 783,745,233.35 × 158,906,147.63
  4. Step 4: Simplify right side
    522,421,239.47x = 124,541,935,750,310,640
  5. Step 5: Solve for x
    x = 124,541,935,750,310,640/522,421,239.47
  6. Step 6: Final answer
    x = 238,393,706.73

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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.