Home / 258,698,108.70-388,047,163.05-233,188,940.70

Finding the Fourth Proportional to 258,698,108.70, 388,047,163.05 and 233,188,940.70

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Solution

The fourth proportional to 258,698,108.70, 388,047,163.05 and 233,188,940.70 is: 349,783,411.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,698,108.70 : 388,047,163.05 = 233,188,940.70 : x
  2. Step 2: Convert to fraction form
    258,698,108.70/388,047,163.05 = 233,188,940.70/x
  3. Step 3: Cross multiply
    258,698,108.70x = 388,047,163.05 × 233,188,940.70
  4. Step 4: Simplify right side
    258,698,108.70x = 90,488,306,893,269,680
  5. Step 5: Solve for x
    x = 90,488,306,893,269,680/258,698,108.70
  6. Step 6: Final answer
    x = 349,783,411.05

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Double scale
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Similar ratio
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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.