Home / 2,889,710,212,967.20-3,986,824,019,713.90-1,638,137,478,835.20

Finding the Fourth Proportional to 2,889,710,212,967.20, 3,986,824,019,713.90 and 1,638,137,478,835.20

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Solution

The fourth proportional to 2,889,710,212,967.20, 3,986,824,019,713.90 and 1,638,137,478,835.20 is: 2,260,076,397,594.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,889,710,212,967.20 : 3,986,824,019,713.90 = 1,638,137,478,835.20 : x
  2. Step 2: Convert to fraction form
    2,889,710,212,967.20/3,986,824,019,713.90 = 1,638,137,478,835.20/x
  3. Step 3: Cross multiply
    2,889,710,212,967.20x = 3,986,824,019,713.90 × 1,638,137,478,835.20
  4. Step 4: Simplify right side
    2,889,710,212,967.20x = 6,530,965,848,213,745,578,278,912
  5. Step 5: Solve for x
    x = 6,530,965,848,213,745,578,278,912/2,889,710,212,967.20
  6. Step 6: Final answer
    x = 2,260,076,397,594.09

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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.