Home / 853,895,176,257.12-1,178,397,024,462-468,519,419,974.76

Finding the Fourth Proportional to 853,895,176,257.12, 1,178,397,024,462 and 468,519,419,974.76

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Solution

The fourth proportional to 853,895,176,257.12, 1,178,397,024,462 and 468,519,419,974.76 is: 646,568,695,727.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,895,176,257.12 : 1,178,397,024,462 = 468,519,419,974.76 : x
  2. Step 2: Convert to fraction form
    853,895,176,257.12/1,178,397,024,462 = 468,519,419,974.76/x
  3. Step 3: Cross multiply
    853,895,176,257.12x = 1,178,397,024,462 × 468,519,419,974.76
  4. Step 4: Simplify right side
    853,895,176,257.12x = 552,101,890,400,919,333,371,904
  5. Step 5: Solve for x
    x = 552,101,890,400,919,333,371,904/853,895,176,257.12
  6. Step 6: Final answer
    x = 646,568,695,727.91

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Double scale
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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.