Home / 497,741,595,527.65-686,876,091,768-278,013,494,284.35

Finding the Fourth Proportional to 497,741,595,527.65, 686,876,091,768 and 278,013,494,284.35

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Solution

The fourth proportional to 497,741,595,527.65, 686,876,091,768 and 278,013,494,284.35 is: 383,654,539,079.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,741,595,527.65 : 686,876,091,768 = 278,013,494,284.35 : x
  2. Step 2: Convert to fraction form
    497,741,595,527.65/686,876,091,768 = 278,013,494,284.35/x
  3. Step 3: Cross multiply
    497,741,595,527.65x = 686,876,091,768 × 278,013,494,284.35
  4. Step 4: Simplify right side
    497,741,595,527.65x = 190,960,822,412,799,522,111,488
  5. Step 5: Solve for x
    x = 190,960,822,412,799,522,111,488/497,741,595,527.65
  6. Step 6: Final answer
    x = 383,654,539,079.39

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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.