Home / 970,511,190.37-1,339,365,462.25-535,491,172.91

Finding the Fourth Proportional to 970,511,190.37, 1,339,365,462.25 and 535,491,172.91

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Solution

The fourth proportional to 970,511,190.37, 1,339,365,462.25 and 535,491,172.91 is: 739,010,935.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,511,190.37 : 1,339,365,462.25 = 535,491,172.91 : x
  2. Step 2: Convert to fraction form
    970,511,190.37/1,339,365,462.25 = 535,491,172.91/x
  3. Step 3: Cross multiply
    970,511,190.37x = 1,339,365,462.25 × 535,491,172.91
  4. Step 4: Simplify right side
    970,511,190.37x = 717,218,382,335,396,864
  5. Step 5: Solve for x
    x = 717,218,382,335,396,864/970,511,190.37
  6. Step 6: Final answer
    x = 739,010,935.12

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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.