Home / 2,120,699,441,878.90-3,181,049,204,855.90-509,033,322,921.25

Finding the Fourth Proportional to 2,120,699,441,878.90, 3,181,049,204,855.90 and 509,033,322,921.25

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Solution

The fourth proportional to 2,120,699,441,878.90, 3,181,049,204,855.90 and 509,033,322,921.25 is: 763,549,994,472.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,120,699,441,878.90 : 3,181,049,204,855.90 = 509,033,322,921.25 : x
  2. Step 2: Convert to fraction form
    2,120,699,441,878.90/3,181,049,204,855.90 = 509,033,322,921.25/x
  3. Step 3: Cross multiply
    2,120,699,441,878.90x = 3,181,049,204,855.90 × 509,033,322,921.25
  4. Step 4: Simplify right side
    2,120,699,441,878.90x = 1,619,260,047,123,798,944,645,120
  5. Step 5: Solve for x
    x = 1,619,260,047,123,798,944,645,120/2,120,699,441,878.90
  6. Step 6: Final answer
    x = 763,549,994,472.19

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Double scale
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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.