Home / 853,895,176,261.10-1,178,397,024,467.60-468,519,419,978.78

Finding the Fourth Proportional to 853,895,176,261.10, 1,178,397,024,467.60 and 468,519,419,978.78

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Solution

The fourth proportional to 853,895,176,261.10, 1,178,397,024,467.60 and 468,519,419,978.78 is: 646,568,695,733.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,895,176,261.10 : 1,178,397,024,467.60 = 468,519,419,978.78 : x
  2. Step 2: Convert to fraction form
    853,895,176,261.10/1,178,397,024,467.60 = 468,519,419,978.78/x
  3. Step 3: Cross multiply
    853,895,176,261.10x = 1,178,397,024,467.60 × 468,519,419,978.78
  4. Step 4: Simplify right side
    853,895,176,261.10x = 552,101,890,408,280,236,228,608
  5. Step 5: Solve for x
    x = 552,101,890,408,280,236,228,608/853,895,176,261.10
  6. Step 6: Final answer
    x = 646,568,695,733.52

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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.