Home / 3,929,936,164,854.40-5,423,592,546,795.30-2,172,047,885,398.50

Finding the Fourth Proportional to 3,929,936,164,854.40, 5,423,592,546,795.30 and 2,172,047,885,398.50

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Solution

The fourth proportional to 3,929,936,164,854.40, 5,423,592,546,795.30 and 2,172,047,885,398.50 is: 2,997,581,189,201.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,929,936,164,854.40 : 5,423,592,546,795.30 = 2,172,047,885,398.50 : x
  2. Step 2: Convert to fraction form
    3,929,936,164,854.40/5,423,592,546,795.30 = 2,172,047,885,398.50/x
  3. Step 3: Cross multiply
    3,929,936,164,854.40x = 5,423,592,546,795.30 × 2,172,047,885,398.50
  4. Step 4: Simplify right side
    3,929,936,164,854.40x = 11,780,302,722,529,795,317,432,320
  5. Step 5: Solve for x
    x = 11,780,302,722,529,795,317,432,320/3,929,936,164,854.40
  6. Step 6: Final answer
    x = 2,997,581,189,201.39

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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.