Home / 2,989,361,951.87-4,125,444,821.64-1,719,203,927.21

Finding the Fourth Proportional to 2,989,361,951.87, 4,125,444,821.64 and 1,719,203,927.21

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Solution

The fourth proportional to 2,989,361,951.87, 4,125,444,821.64 and 1,719,203,927.21 is: 2,372,573,496.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,989,361,951.87 : 4,125,444,821.64 = 1,719,203,927.21 : x
  2. Step 2: Convert to fraction form
    2,989,361,951.87/4,125,444,821.64 = 1,719,203,927.21/x
  3. Step 3: Cross multiply
    2,989,361,951.87x = 4,125,444,821.64 × 1,719,203,927.21
  4. Step 4: Simplify right side
    2,989,361,951.87x = 7,092,480,938,860,653,568
  5. Step 5: Solve for x
    x = 7,092,480,938,860,653,568/2,989,361,951.87
  6. Step 6: Final answer
    x = 2,372,573,496.63

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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.