Home / 497,741,595,530.08-686,876,091,771.46-278,013,494,286.84

Finding the Fourth Proportional to 497,741,595,530.08, 686,876,091,771.46 and 278,013,494,286.84

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Solution

The fourth proportional to 497,741,595,530.08, 686,876,091,771.46 and 278,013,494,286.84 is: 383,654,539,082.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,741,595,530.08 : 686,876,091,771.46 = 278,013,494,286.84 : x
  2. Step 2: Convert to fraction form
    497,741,595,530.08/686,876,091,771.46 = 278,013,494,286.84/x
  3. Step 3: Cross multiply
    497,741,595,530.08x = 686,876,091,771.46 × 278,013,494,286.84
  4. Step 4: Simplify right side
    497,741,595,530.08x = 190,960,822,415,471,797,075,968
  5. Step 5: Solve for x
    x = 190,960,822,415,471,797,075,968/497,741,595,530.08
  6. Step 6: Final answer
    x = 383,654,539,082.88

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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.