Home / 8,298,107,858.78-11,451,423,346.56-4,487,630,809.52

Finding the Fourth Proportional to 8,298,107,858.78, 11,451,423,346.56 and 4,487,630,809.52

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Solution

The fourth proportional to 8,298,107,858.78, 11,451,423,346.56 and 4,487,630,809.52 is: 6,192,949,175.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,298,107,858.78 : 11,451,423,346.56 = 4,487,630,809.52 : x
  2. Step 2: Convert to fraction form
    8,298,107,858.78/11,451,423,346.56 = 4,487,630,809.52/x
  3. Step 3: Cross multiply
    8,298,107,858.78x = 11,451,423,346.56 × 4,487,630,809.52
  4. Step 4: Simplify right side
    8,298,107,858.78x = 51,389,760,222,879,285,248
  5. Step 5: Solve for x
    x = 51,389,760,222,879,285,248/8,298,107,858.78
  6. Step 6: Final answer
    x = 6,192,949,175.58

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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.