Home / 1,285,500,788.24-1,772,197,832.79-862,190,095.57

Finding the Fourth Proportional to 1,285,500,788.24, 1,772,197,832.79 and 862,190,095.57

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Solution

The fourth proportional to 1,285,500,788.24, 1,772,197,832.79 and 862,190,095.57 is: 1,188,619,589.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,500,788.24 : 1,772,197,832.79 = 862,190,095.57 : x
  2. Step 2: Convert to fraction form
    1,285,500,788.24/1,772,197,832.79 = 862,190,095.57/x
  3. Step 3: Cross multiply
    1,285,500,788.24x = 1,772,197,832.79 × 862,190,095.57
  4. Step 4: Simplify right side
    1,285,500,788.24x = 1,527,971,418,817,726,464
  5. Step 5: Solve for x
    x = 1,527,971,418,817,726,464/1,285,500,788.24
  6. Step 6: Final answer
    x = 1,188,619,589.19

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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.