Home / 709,717,488,868.60-979,747,858,699.90-475,476,113,513.30

Finding the Fourth Proportional to 709,717,488,868.60, 979,747,858,699.90 and 475,476,113,513.30

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Solution

The fourth proportional to 709,717,488,868.60, 979,747,858,699.90 and 475,476,113,513.30 is: 656,383,295,302.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,717,488,868.60 : 979,747,858,699.90 = 475,476,113,513.30 : x
  2. Step 2: Convert to fraction form
    709,717,488,868.60/979,747,858,699.90 = 475,476,113,513.30/x
  3. Step 3: Cross multiply
    709,717,488,868.60x = 979,747,858,699.90 × 475,476,113,513.30
  4. Step 4: Simplify right side
    709,717,488,868.60x = 465,846,704,077,606,251,134,976
  5. Step 5: Solve for x
    x = 465,846,704,077,606,251,134,976/709,717,488,868.60
  6. Step 6: Final answer
    x = 656,383,295,302.81

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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.