Home / 471,849,701.35-651,431,906.67-419,494,126.90

Finding the Fourth Proportional to 471,849,701.35, 651,431,906.67 and 419,494,126.90

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Solution

The fourth proportional to 471,849,701.35, 651,431,906.67 and 419,494,126.90 is: 579,150,221.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,849,701.35 : 651,431,906.67 = 419,494,126.90 : x
  2. Step 2: Convert to fraction form
    471,849,701.35/651,431,906.67 = 419,494,126.90/x
  3. Step 3: Cross multiply
    471,849,701.35x = 651,431,906.67 × 419,494,126.90
  4. Step 4: Simplify right side
    471,849,701.35x = 273,271,858,923,333,888
  5. Step 5: Solve for x
    x = 273,271,858,923,333,888/471,849,701.35
  6. Step 6: Final answer
    x = 579,150,221.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.