Home / 1,168,175,317,843.40-1,612,091,403,967.20-647,339,436,135.20

Finding the Fourth Proportional to 1,168,175,317,843.40, 1,612,091,403,967.20 and 647,339,436,135.20

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Solution

The fourth proportional to 1,168,175,317,843.40, 1,612,091,403,967.20 and 647,339,436,135.20 is: 893,333,667,046.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,168,175,317,843.40 : 1,612,091,403,967.20 = 647,339,436,135.20 : x
  2. Step 2: Convert to fraction form
    1,168,175,317,843.40/1,612,091,403,967.20 = 647,339,436,135.20/x
  3. Step 3: Cross multiply
    1,168,175,317,843.40x = 1,612,091,403,967.20 × 647,339,436,135.20
  4. Step 4: Simplify right side
    1,168,175,317,843.40x = 1,043,570,340,442,530,039,988,224
  5. Step 5: Solve for x
    x = 1,043,570,340,442,530,039,988,224/1,168,175,317,843.40
  6. Step 6: Final answer
    x = 893,333,667,046.74

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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.