Home / 443,232,000.30-664,848,000.45-120,115,872.30

Finding the Fourth Proportional to 443,232,000.30, 664,848,000.45 and 120,115,872.30

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Solution

The fourth proportional to 443,232,000.30, 664,848,000.45 and 120,115,872.30 is: 180,173,808.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,232,000.30 : 664,848,000.45 = 120,115,872.30 : x
  2. Step 2: Convert to fraction form
    443,232,000.30/664,848,000.45 = 120,115,872.30/x
  3. Step 3: Cross multiply
    443,232,000.30x = 664,848,000.45 × 120,115,872.30
  4. Step 4: Simplify right side
    443,232,000.30x = 79,858,797,520,962,544
  5. Step 5: Solve for x
    x = 79,858,797,520,962,544/443,232,000.30
  6. Step 6: Final answer
    x = 180,173,808.45

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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.