Home / 747,268,538.40-1,121,540,536.80-333,382,287.60

Finding the Fourth Proportional to 747,268,538.40, 1,121,540,536.80 and 333,382,287.60

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Solution

The fourth proportional to 747,268,538.40, 1,121,540,536.80 and 333,382,287.60 is: 500,357,944.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,268,538.40 : 1,121,540,536.80 = 333,382,287.60 : x
  2. Step 2: Convert to fraction form
    747,268,538.40/1,121,540,536.80 = 333,382,287.60/x
  3. Step 3: Cross multiply
    747,268,538.40x = 1,121,540,536.80 × 333,382,287.60
  4. Step 4: Simplify right side
    747,268,538.40x = 373,901,749,794,515,968
  5. Step 5: Solve for x
    x = 373,901,749,794,515,968/747,268,538.40
  6. Step 6: Final answer
    x = 500,357,944.41

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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.