Home / 497,664,766.40-746,497,149.60-174,431,998.40

Finding the Fourth Proportional to 497,664,766.40, 746,497,149.60 and 174,431,998.40

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Solution

The fourth proportional to 497,664,766.40, 746,497,149.60 and 174,431,998.40 is: 261,647,997.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,664,766.40 : 746,497,149.60 = 174,431,998.40 : x
  2. Step 2: Convert to fraction form
    497,664,766.40/746,497,149.60 = 174,431,998.40/x
  3. Step 3: Cross multiply
    497,664,766.40x = 746,497,149.60 × 174,431,998.40
  4. Step 4: Simplify right side
    497,664,766.40x = 130,212,989,604,631,776
  5. Step 5: Solve for x
    x = 130,212,989,604,631,776/497,664,766.40
  6. Step 6: Final answer
    x = 261,647,997.60

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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.