Home / 312,670,864.50-469,006,311.33-214,205,476.02

Finding the Fourth Proportional to 312,670,864.50, 469,006,311.33 and 214,205,476.02

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Solution

The fourth proportional to 312,670,864.50, 469,006,311.33 and 214,205,476.02 is: 321,308,224.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,670,864.50 : 469,006,311.33 = 214,205,476.02 : x
  2. Step 2: Convert to fraction form
    312,670,864.50/469,006,311.33 = 214,205,476.02/x
  3. Step 3: Cross multiply
    312,670,864.50x = 469,006,311.33 × 214,205,476.02
  4. Step 4: Simplify right side
    312,670,864.50x = 100,463,720,174,826,976
  5. Step 5: Solve for x
    x = 100,463,720,174,826,976/312,670,864.50
  6. Step 6: Final answer
    x = 321,308,224.02

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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.