Home / 1,339,384,441.11-2,008,946,753.88-406,715,364.53

Finding the Fourth Proportional to 1,339,384,441.11, 2,008,946,753.88 and 406,715,364.53

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Solution

The fourth proportional to 1,339,384,441.11, 2,008,946,753.88 and 406,715,364.53 is: 610,033,599.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339,384,441.11 : 2,008,946,753.88 = 406,715,364.53 : x
  2. Step 2: Convert to fraction form
    1,339,384,441.11/2,008,946,753.88 = 406,715,364.53/x
  3. Step 3: Cross multiply
    1,339,384,441.11x = 2,008,946,753.88 × 406,715,364.53
  4. Step 4: Simplify right side
    1,339,384,441.11x = 817,069,511,315,619,712
  5. Step 5: Solve for x
    x = 817,069,511,315,619,712/1,339,384,441.11
  6. Step 6: Final answer
    x = 610,033,599.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.