Home / 3,936,409,902.88-5,432,246,126.56-2,152,264,564.49

Finding the Fourth Proportional to 3,936,409,902.88, 5,432,246,126.56 and 2,152,264,564.49

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Solution

The fourth proportional to 3,936,409,902.88, 5,432,246,126.56 and 2,152,264,564.49 is: 2,970,125,350.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,936,409,902.88 : 5,432,246,126.56 = 2,152,264,564.49 : x
  2. Step 2: Convert to fraction form
    3,936,409,902.88/5,432,246,126.56 = 2,152,264,564.49/x
  3. Step 3: Cross multiply
    3,936,409,902.88x = 5,432,246,126.56 × 2,152,264,564.49
  4. Step 4: Simplify right side
    3,936,409,902.88x = 11,691,630,843,772,385,280
  5. Step 5: Solve for x
    x = 11,691,630,843,772,385,280/3,936,409,902.88
  6. Step 6: Final answer
    x = 2,970,125,350.83

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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.