Home / 7,210,958,761.48-9,951,181,518.87-3,995,922,454.63

Finding the Fourth Proportional to 7,210,958,761.48, 9,951,181,518.87 and 3,995,922,454.63

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Solution

The fourth proportional to 7,210,958,761.48, 9,951,181,518.87 and 3,995,922,454.63 is: 5,514,405,365.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,210,958,761.48 : 9,951,181,518.87 = 3,995,922,454.63 : x
  2. Step 2: Convert to fraction form
    7,210,958,761.48/9,951,181,518.87 = 3,995,922,454.63/x
  3. Step 3: Cross multiply
    7,210,958,761.48x = 9,951,181,518.87 × 3,995,922,454.63
  4. Step 4: Simplify right side
    7,210,958,761.48x = 39,764,149,681,351,704,576
  5. Step 5: Solve for x
    x = 39,764,149,681,351,704,576/7,210,958,761.48
  6. Step 6: Final answer
    x = 5,514,405,365.04

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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.