Home / 5,165,617,434,445.20-7,128,768,626,489.90-2,970,784,367,858

Finding the Fourth Proportional to 5,165,617,434,445.20, 7,128,768,626,489.90 and 2,970,784,367,858

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Solution

The fourth proportional to 5,165,617,434,445.20, 7,128,768,626,489.90 and 2,970,784,367,858 is: 4,099,806,976,884.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,165,617,434,445.20 : 7,128,768,626,489.90 = 2,970,784,367,858 : x
  2. Step 2: Convert to fraction form
    5,165,617,434,445.20/7,128,768,626,489.90 = 2,970,784,367,858/x
  3. Step 3: Cross multiply
    5,165,617,434,445.20x = 7,128,768,626,489.90 × 2,970,784,367,858
  4. Step 4: Simplify right side
    5,165,617,434,445.20x = 21,178,034,397,652,741,557,059,584
  5. Step 5: Solve for x
    x = 21,178,034,397,652,741,557,059,584/5,165,617,434,445.20
  6. Step 6: Final answer
    x = 4,099,806,976,884.13

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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.