Home / 15,764,295,982.32-21,638,847,220.26-13,940,182,617.84

Finding the Fourth Proportional to 15,764,295,982.32, 21,638,847,220.26 and 13,940,182,617.84

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Solution

The fourth proportional to 15,764,295,982.32, 21,638,847,220.26 and 13,940,182,617.84 is: 19,134,979,591.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,764,295,982.32 : 21,638,847,220.26 = 13,940,182,617.84 : x
  2. Step 2: Convert to fraction form
    15,764,295,982.32/21,638,847,220.26 = 13,940,182,617.84/x
  3. Step 3: Cross multiply
    15,764,295,982.32x = 21,638,847,220.26 × 13,940,182,617.84
  4. Step 4: Simplify right side
    15,764,295,982.32x = 301,649,481,889,963,835,392
  5. Step 5: Solve for x
    x = 301,649,481,889,963,835,392/15,764,295,982.32
  6. Step 6: Final answer
    x = 19,134,979,591.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.