Home / 497,741,595,528.03-686,876,091,768.50-278,013,494,284.72

Finding the Fourth Proportional to 497,741,595,528.03, 686,876,091,768.50 and 278,013,494,284.72

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Solution

The fourth proportional to 497,741,595,528.03, 686,876,091,768.50 and 278,013,494,284.72 is: 383,654,539,079.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,741,595,528.03 : 686,876,091,768.50 = 278,013,494,284.72 : x
  2. Step 2: Convert to fraction form
    497,741,595,528.03/686,876,091,768.50 = 278,013,494,284.72/x
  3. Step 3: Cross multiply
    497,741,595,528.03x = 686,876,091,768.50 × 278,013,494,284.72
  4. Step 4: Simplify right side
    497,741,595,528.03x = 190,960,822,413,192,679,391,232
  5. Step 5: Solve for x
    x = 190,960,822,413,192,679,391,232/497,741,595,528.03
  6. Step 6: Final answer
    x = 383,654,539,079.89

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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.