Home / 3,929,936,164,856.70-5,423,592,546,798.30-2,172,047,885,400.80

Finding the Fourth Proportional to 3,929,936,164,856.70, 5,423,592,546,798.30 and 2,172,047,885,400.80

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Solution

The fourth proportional to 3,929,936,164,856.70, 5,423,592,546,798.30 and 2,172,047,885,400.80 is: 2,997,581,189,204.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,929,936,164,856.70 : 5,423,592,546,798.30 = 2,172,047,885,400.80 : x
  2. Step 2: Convert to fraction form
    3,929,936,164,856.70/5,423,592,546,798.30 = 2,172,047,885,400.80/x
  3. Step 3: Cross multiply
    3,929,936,164,856.70x = 5,423,592,546,798.30 × 2,172,047,885,400.80
  4. Step 4: Simplify right side
    3,929,936,164,856.70x = 11,780,302,722,548,787,662,815,232
  5. Step 5: Solve for x
    x = 11,780,302,722,548,787,662,815,232/3,929,936,164,856.70
  6. Step 6: Final answer
    x = 2,997,581,189,204.47

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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.