Home / 709,717,488,868.10-979,747,858,699.20-475,476,113,512.80

Finding the Fourth Proportional to 709,717,488,868.10, 979,747,858,699.20 and 475,476,113,512.80

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Solution

The fourth proportional to 709,717,488,868.10, 979,747,858,699.20 and 475,476,113,512.80 is: 656,383,295,302.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,717,488,868.10 : 979,747,858,699.20 = 475,476,113,512.80 : x
  2. Step 2: Convert to fraction form
    709,717,488,868.10/979,747,858,699.20 = 475,476,113,512.80/x
  3. Step 3: Cross multiply
    709,717,488,868.10x = 979,747,858,699.20 × 475,476,113,512.80
  4. Step 4: Simplify right side
    709,717,488,868.10x = 465,846,704,076,783,496,462,336
  5. Step 5: Solve for x
    x = 465,846,704,076,783,496,462,336/709,717,488,868.10
  6. Step 6: Final answer
    x = 656,383,295,302.11

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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.