Home / 1,351,991,054.34-1,861,411,415.27-1,054,251,234.09

Finding the Fourth Proportional to 1,351,991,054.34, 1,861,411,415.27 and 1,054,251,234.09

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Solution

The fourth proportional to 1,351,991,054.34, 1,861,411,415.27 and 1,054,251,234.09 is: 1,451,485,403.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,351,991,054.34 : 1,861,411,415.27 = 1,054,251,234.09 : x
  2. Step 2: Convert to fraction form
    1,351,991,054.34/1,861,411,415.27 = 1,054,251,234.09/x
  3. Step 3: Cross multiply
    1,351,991,054.34x = 1,861,411,415.27 × 1,054,251,234.09
  4. Step 4: Simplify right side
    1,351,991,054.34x = 1,962,395,281,692,339,968
  5. Step 5: Solve for x
    x = 1,962,395,281,692,339,968/1,351,991,054.34
  6. Step 6: Final answer
    x = 1,451,485,403.98

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Double scale
Find fourth proportional to 1,351,991,055.34, 1,861,411,416.64 and 1,054,251,235.09
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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.