Home / 853,477,002.70-1,279,577,774.85-465,737,649.10

Finding the Fourth Proportional to 853,477,002.70, 1,279,577,774.85 and 465,737,649.10

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Solution

The fourth proportional to 853,477,002.70, 1,279,577,774.85 and 465,737,649.10 is: 698,258,468.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,477,002.70 : 1,279,577,774.85 = 465,737,649.10 : x
  2. Step 2: Convert to fraction form
    853,477,002.70/1,279,577,774.85 = 465,737,649.10/x
  3. Step 3: Cross multiply
    853,477,002.70x = 1,279,577,774.85 × 465,737,649.10
  4. Step 4: Simplify right side
    853,477,002.70x = 595,947,544,699,248,128
  5. Step 5: Solve for x
    x = 595,947,544,699,248,128/853,477,002.70
  6. Step 6: Final answer
    x = 698,258,468.38

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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.