Home / 1,100,937,269.20-1,651,405,903.80-611,161,243.60

Finding the Fourth Proportional to 1,100,937,269.20, 1,651,405,903.80 and 611,161,243.60

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Solution

The fourth proportional to 1,100,937,269.20, 1,651,405,903.80 and 611,161,243.60 is: 916,741,865.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,937,269.20 : 1,651,405,903.80 = 611,161,243.60 : x
  2. Step 2: Convert to fraction form
    1,100,937,269.20/1,651,405,903.80 = 611,161,243.60/x
  3. Step 3: Cross multiply
    1,100,937,269.20x = 1,651,405,903.80 × 611,161,243.60
  4. Step 4: Simplify right side
    1,100,937,269.20x = 1,009,275,285,854,790,016
  5. Step 5: Solve for x
    x = 1,009,275,285,854,790,016/1,100,937,269.20
  6. Step 6: Final answer
    x = 916,741,865.40

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1.5x scale

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.