Home / 2,129,362,521.28-3,191,188,712.88-1,657,231,657.26

Finding the Fourth Proportional to 2,129,362,521.28, 3,191,188,712.88 and 1,657,231,657.26

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Solution

The fourth proportional to 2,129,362,521.28, 3,191,188,712.88 and 1,657,231,657.26 is: 2,483,625,454.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,129,362,521.28 : 3,191,188,712.88 = 1,657,231,657.26 : x
  2. Step 2: Convert to fraction form
    2,129,362,521.28/3,191,188,712.88 = 1,657,231,657.26/x
  3. Step 3: Cross multiply
    2,129,362,521.28x = 3,191,188,712.88 × 1,657,231,657.26
  4. Step 4: Simplify right side
    2,129,362,521.28x = 5,288,538,959,275,529,216
  5. Step 5: Solve for x
    x = 5,288,538,959,275,529,216/2,129,362,521.28
  6. Step 6: Final answer
    x = 2,483,625,454.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.