Home / 488,448,003.70-732,672,005.55-345,120,771.70

Finding the Fourth Proportional to 488,448,003.70, 732,672,005.55 and 345,120,771.70

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Solution

The fourth proportional to 488,448,003.70, 732,672,005.55 and 345,120,771.70 is: 517,681,157.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,448,003.70 : 732,672,005.55 = 345,120,771.70 : x
  2. Step 2: Convert to fraction form
    488,448,003.70/732,672,005.55 = 345,120,771.70/x
  3. Step 3: Cross multiply
    488,448,003.70x = 732,672,005.55 × 345,120,771.70
  4. Step 4: Simplify right side
    488,448,003.70x = 252,860,327,958,402,656
  5. Step 5: Solve for x
    x = 252,860,327,958,402,656/488,448,003.70
  6. Step 6: Final answer
    x = 517,681,157.55

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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.