Home / 9,099,656,198.28-12,557,571,989.76-5,085,393,466.32

Finding the Fourth Proportional to 9,099,656,198.28, 12,557,571,989.76 and 5,085,393,466.32

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Solution

The fourth proportional to 9,099,656,198.28, 12,557,571,989.76 and 5,085,393,466.32 is: 7,017,868,934.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,099,656,198.28 : 12,557,571,989.76 = 5,085,393,466.32 : x
  2. Step 2: Convert to fraction form
    9,099,656,198.28/12,557,571,989.76 = 5,085,393,466.32/x
  3. Step 3: Cross multiply
    9,099,656,198.28x = 12,557,571,989.76 × 5,085,393,466.32
  4. Step 4: Simplify right side
    9,099,656,198.28x = 63,860,194,549,568,544,768
  5. Step 5: Solve for x
    x = 63,860,194,549,568,544,768/9,099,656,198.28
  6. Step 6: Final answer
    x = 7,017,868,934.61

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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.