Home / 7,108,177,369.50-9,809,593,117.16-3,936,361,286.45

Finding the Fourth Proportional to 7,108,177,369.50, 9,809,593,117.16 and 3,936,361,286.45

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Solution

The fourth proportional to 7,108,177,369.50, 9,809,593,117.16 and 3,936,361,286.45 is: 5,432,349,331.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,108,177,369.50 : 9,809,593,117.16 = 3,936,361,286.45 : x
  2. Step 2: Convert to fraction form
    7,108,177,369.50/9,809,593,117.16 = 3,936,361,286.45/x
  3. Step 3: Cross multiply
    7,108,177,369.50x = 9,809,593,117.16 × 3,936,361,286.45
  4. Step 4: Simplify right side
    7,108,177,369.50x = 38,614,102,582,146,277,376
  5. Step 5: Solve for x
    x = 38,614,102,582,146,277,376/7,108,177,369.50
  6. Step 6: Final answer
    x = 5,432,349,331.61

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Double scale
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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.