Home / 3,119,259,039.60-4,680,680,149.80-1,181,952,620.40

Finding the Fourth Proportional to 3,119,259,039.60, 4,680,680,149.80 and 1,181,952,620.40

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Solution

The fourth proportional to 3,119,259,039.60, 4,680,680,149.80 and 1,181,952,620.40 is: 1,773,607,801.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119,259,039.60 : 4,680,680,149.80 = 1,181,952,620.40 : x
  2. Step 2: Convert to fraction form
    3,119,259,039.60/4,680,680,149.80 = 1,181,952,620.40/x
  3. Step 3: Cross multiply
    3,119,259,039.60x = 4,680,680,149.80 × 1,181,952,620.40
  4. Step 4: Simplify right side
    3,119,259,039.60x = 5,532,342,168,310,375,424
  5. Step 5: Solve for x
    x = 5,532,342,168,310,375,424/3,119,259,039.60
  6. Step 6: Final answer
    x = 1,773,607,801.75

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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.