Home / 425,265,860.13-636,907,611.38-410,536,971.60

Finding the Fourth Proportional to 425,265,860.13, 636,907,611.38 and 410,536,971.60

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Solution

The fourth proportional to 425,265,860.13, 636,907,611.38 and 410,536,971.60 is: 614,848,607.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,265,860.13 : 636,907,611.38 = 410,536,971.60 : x
  2. Step 2: Convert to fraction form
    425,265,860.13/636,907,611.38 = 410,536,971.60/x
  3. Step 3: Cross multiply
    425,265,860.13x = 636,907,611.38 × 410,536,971.60
  4. Step 4: Simplify right side
    425,265,860.13x = 261,474,121,962,882,240
  5. Step 5: Solve for x
    x = 261,474,121,962,882,240/425,265,860.13
  6. Step 6: Final answer
    x = 614,848,607.61

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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.