Home / 664,848,000.80-997,272,001.20-629,135,165.60

Finding the Fourth Proportional to 664,848,000.80, 997,272,001.20 and 629,135,165.60

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Solution

The fourth proportional to 664,848,000.80, 997,272,001.20 and 629,135,165.60 is: 943,702,748.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,848,000.80 : 997,272,001.20 = 629,135,165.60 : x
  2. Step 2: Convert to fraction form
    664,848,000.80/997,272,001.20 = 629,135,165.60/x
  3. Step 3: Cross multiply
    664,848,000.80x = 997,272,001.20 × 629,135,165.60
  4. Step 4: Simplify right side
    664,848,000.80x = 627,418,885,623,205,504
  5. Step 5: Solve for x
    x = 627,418,885,623,205,504/664,848,000.80
  6. Step 6: Final answer
    x = 943,702,748.40

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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.