Home / 1,351,991,056.83-1,861,411,418.72-1,054,251,236.58

Finding the Fourth Proportional to 1,351,991,056.83, 1,861,411,418.72 and 1,054,251,236.58

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Solution

The fourth proportional to 1,351,991,056.83, 1,861,411,418.72 and 1,054,251,236.58 is: 1,451,485,407.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,351,991,056.83 : 1,861,411,418.72 = 1,054,251,236.58 : x
  2. Step 2: Convert to fraction form
    1,351,991,056.83/1,861,411,418.72 = 1,054,251,236.58/x
  3. Step 3: Cross multiply
    1,351,991,056.83x = 1,861,411,418.72 × 1,054,251,236.58
  4. Step 4: Simplify right side
    1,351,991,056.83x = 1,962,395,289,964,420,864
  5. Step 5: Solve for x
    x = 1,962,395,289,964,420,864/1,351,991,056.83
  6. Step 6: Final answer
    x = 1,451,485,407.43

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Double scale
Find fourth proportional to 1,351,991,057.83, 1,861,411,420.09 and 1,054,251,237.58
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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.