Home / 863,892,270.72-1,192,171,315.07-467,415,260.39

Finding the Fourth Proportional to 863,892,270.72, 1,192,171,315.07 and 467,415,260.39

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Solution

The fourth proportional to 863,892,270.72, 1,192,171,315.07 and 467,415,260.39 is: 645,033,049.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,892,270.72 : 1,192,171,315.07 = 467,415,260.39 : x
  2. Step 2: Convert to fraction form
    863,892,270.72/1,192,171,315.07 = 467,415,260.39/x
  3. Step 3: Cross multiply
    863,892,270.72x = 1,192,171,315.07 × 467,415,260.39
  4. Step 4: Simplify right side
    863,892,270.72x = 557,239,065,654,634,880
  5. Step 5: Solve for x
    x = 557,239,065,654,634,880/863,892,270.72
  6. Step 6: Final answer
    x = 645,033,049.31

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.