Home / 709,717,488,878.58-979,747,858,713.69-475,476,113,523.30

Finding the Fourth Proportional to 709,717,488,878.58, 979,747,858,713.69 and 475,476,113,523.30

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Solution

The fourth proportional to 709,717,488,878.58, 979,747,858,713.69 and 475,476,113,523.30 is: 656,383,295,316.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,717,488,878.58 : 979,747,858,713.69 = 475,476,113,523.30 : x
  2. Step 2: Convert to fraction form
    709,717,488,878.58/979,747,858,713.69 = 475,476,113,523.30/x
  3. Step 3: Cross multiply
    709,717,488,878.58x = 979,747,858,713.69 × 475,476,113,523.30
  4. Step 4: Simplify right side
    709,717,488,878.58x = 465,846,704,093,960,547,074,048
  5. Step 5: Solve for x
    x = 465,846,704,093,960,547,074,048/709,717,488,878.58
  6. Step 6: Final answer
    x = 656,383,295,316.62

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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.