Home / 959,607,145.20-1,439,410,717.80-443,046,493.20

Finding the Fourth Proportional to 959,607,145.20, 1,439,410,717.80 and 443,046,493.20

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Solution

The fourth proportional to 959,607,145.20, 1,439,410,717.80 and 443,046,493.20 is: 664,569,739.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,607,145.20 : 1,439,410,717.80 = 443,046,493.20 : x
  2. Step 2: Convert to fraction form
    959,607,145.20/1,439,410,717.80 = 443,046,493.20/x
  3. Step 3: Cross multiply
    959,607,145.20x = 1,439,410,717.80 × 443,046,493.20
  4. Step 4: Simplify right side
    959,607,145.20x = 637,725,870,795,784,832
  5. Step 5: Solve for x
    x = 637,725,870,795,784,832/959,607,145.20
  6. Step 6: Final answer
    x = 664,569,739.80

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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.