Home / 3,640,947,139.88-5,024,515,787.04-1,970,214,209

Finding the Fourth Proportional to 3,640,947,139.88, 5,024,515,787.04 and 1,970,214,209

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Solution

The fourth proportional to 3,640,947,139.88, 5,024,515,787.04 and 1,970,214,209 is: 2,718,900,334.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,640,947,139.88 : 5,024,515,787.04 = 1,970,214,209 : x
  2. Step 2: Convert to fraction form
    3,640,947,139.88/5,024,515,787.04 = 1,970,214,209/x
  3. Step 3: Cross multiply
    3,640,947,139.88x = 5,024,515,787.04 × 1,970,214,209
  4. Step 4: Simplify right side
    3,640,947,139.88x = 9,899,372,396,971,026,432
  5. Step 5: Solve for x
    x = 9,899,372,396,971,026,432/3,640,947,139.88
  6. Step 6: Final answer
    x = 2,718,900,334.62

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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.