Home / 399,532,278,426.30-599,268,275,782.16-127,245,524,311.90

Finding the Fourth Proportional to 399,532,278,426.30, 599,268,275,782.16 and 127,245,524,311.90

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Solution

The fourth proportional to 399,532,278,426.30, 599,268,275,782.16 and 127,245,524,311.90 is: 190,858,686,701.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,532,278,426.30 : 599,268,275,782.16 = 127,245,524,311.90 : x
  2. Step 2: Convert to fraction form
    399,532,278,426.30/599,268,275,782.16 = 127,245,524,311.90/x
  3. Step 3: Cross multiply
    399,532,278,426.30x = 599,268,275,782.16 × 127,245,524,311.90
  4. Step 4: Simplify right side
    399,532,278,426.30x = 76,254,205,955,389,240,901,632
  5. Step 5: Solve for x
    x = 76,254,205,955,389,240,901,632/399,532,278,426.30
  6. Step 6: Final answer
    x = 190,858,686,701.72

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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.