Home / 443,232,023.40-664,848,035.10-120,115,895.40

Finding the Fourth Proportional to 443,232,023.40, 664,848,035.10 and 120,115,895.40

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Solution

The fourth proportional to 443,232,023.40, 664,848,035.10 and 120,115,895.40 is: 180,173,843.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,232,023.40 : 664,848,035.10 = 120,115,895.40 : x
  2. Step 2: Convert to fraction form
    443,232,023.40/664,848,035.10 = 120,115,895.40/x
  3. Step 3: Cross multiply
    443,232,023.40x = 664,848,035.10 × 120,115,895.40
  4. Step 4: Simplify right side
    443,232,023.40x = 79,858,817,040,967,136
  5. Step 5: Solve for x
    x = 79,858,817,040,967,136/443,232,023.40
  6. Step 6: Final answer
    x = 180,173,843.10

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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.