Home / 853,477,002.20-1,279,577,774.10-465,737,648.60

Finding the Fourth Proportional to 853,477,002.20, 1,279,577,774.10 and 465,737,648.60

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Solution

The fourth proportional to 853,477,002.20, 1,279,577,774.10 and 465,737,648.60 is: 698,258,467.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,477,002.20 : 1,279,577,774.10 = 465,737,648.60 : x
  2. Step 2: Convert to fraction form
    853,477,002.20/1,279,577,774.10 = 465,737,648.60/x
  3. Step 3: Cross multiply
    853,477,002.20x = 1,279,577,774.10 × 465,737,648.60
  4. Step 4: Simplify right side
    853,477,002.20x = 595,947,543,710,155,904
  5. Step 5: Solve for x
    x = 595,947,543,710,155,904/853,477,002.20
  6. Step 6: Final answer
    x = 698,258,467.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.