Home / 1,026,448,969.40-1,536,650,145.30-966,654,639.80

Finding the Fourth Proportional to 1,026,448,969.40, 1,536,650,145.30 and 966,654,639.80

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Solution

The fourth proportional to 1,026,448,969.40, 1,536,650,145.30 and 966,654,639.80 is: 1,447,134,769.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026,448,969.40 : 1,536,650,145.30 = 966,654,639.80 : x
  2. Step 2: Convert to fraction form
    1,026,448,969.40/1,536,650,145.30 = 966,654,639.80/x
  3. Step 3: Cross multiply
    1,026,448,969.40x = 1,536,650,145.30 × 966,654,639.80
  4. Step 4: Simplify right side
    1,026,448,969.40x = 1,485,409,992,703,589,120
  5. Step 5: Solve for x
    x = 1,485,409,992,703,589,120/1,026,448,969.40
  6. Step 6: Final answer
    x = 1,447,134,769.47

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Double scale
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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.