Home / 970,511,189.37-1,339,365,460.87-535,491,171.91

Finding the Fourth Proportional to 970,511,189.37, 1,339,365,460.87 and 535,491,171.91

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Solution

The fourth proportional to 970,511,189.37, 1,339,365,460.87 and 535,491,171.91 is: 739,010,933.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,511,189.37 : 1,339,365,460.87 = 535,491,171.91 : x
  2. Step 2: Convert to fraction form
    970,511,189.37/1,339,365,460.87 = 535,491,171.91/x
  3. Step 3: Cross multiply
    970,511,189.37x = 1,339,365,460.87 × 535,491,171.91
  4. Step 4: Simplify right side
    970,511,189.37x = 717,218,380,257,053,568
  5. Step 5: Solve for x
    x = 717,218,380,257,053,568/970,511,189.37
  6. Step 6: Final answer
    x = 739,010,933.74

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Double scale
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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.