Home / 15,586,061,107.44-21,508,933,621.87-9,156,152,095.29

Finding the Fourth Proportional to 15,586,061,107.44, 21,508,933,621.87 and 9,156,152,095.29

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Solution

The fourth proportional to 15,586,061,107.44, 21,508,933,621.87 and 9,156,152,095.29 is: 12,635,589,344.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,586,061,107.44 : 21,508,933,621.87 = 9,156,152,095.29 : x
  2. Step 2: Convert to fraction form
    15,586,061,107.44/21,508,933,621.87 = 9,156,152,095.29/x
  3. Step 3: Cross multiply
    15,586,061,107.44x = 21,508,933,621.87 × 9,156,152,095.29
  4. Step 4: Simplify right side
    15,586,061,107.44x = 196,939,067,649,439,662,080
  5. Step 5: Solve for x
    x = 196,939,067,649,439,662,080/15,586,061,107.44
  6. Step 6: Final answer
    x = 12,635,589,344.34

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1.5x scale

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.