Home / 443,232,044.40-664,848,066.60-120,115,916.40

Finding the Fourth Proportional to 443,232,044.40, 664,848,066.60 and 120,115,916.40

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Solution

The fourth proportional to 443,232,044.40, 664,848,066.60 and 120,115,916.40 is: 180,173,874.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,232,044.40 : 664,848,066.60 = 120,115,916.40 : x
  2. Step 2: Convert to fraction form
    443,232,044.40/664,848,066.60 = 120,115,916.40/x
  3. Step 3: Cross multiply
    443,232,044.40x = 664,848,066.60 × 120,115,916.40
  4. Step 4: Simplify right side
    443,232,044.40x = 79,858,834,786,427,232
  5. Step 5: Solve for x
    x = 79,858,834,786,427,232/443,232,044.40
  6. Step 6: Final answer
    x = 180,173,874.60

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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.