Home / 891,669,704.80-1,337,504,557.20-374,471,323.60

Finding the Fourth Proportional to 891,669,704.80, 1,337,504,557.20 and 374,471,323.60

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Solution

The fourth proportional to 891,669,704.80, 1,337,504,557.20 and 374,471,323.60 is: 561,706,985.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,669,704.80 : 1,337,504,557.20 = 374,471,323.60 : x
  2. Step 2: Convert to fraction form
    891,669,704.80/1,337,504,557.20 = 374,471,323.60/x
  3. Step 3: Cross multiply
    891,669,704.80x = 1,337,504,557.20 × 374,471,323.60
  4. Step 4: Simplify right side
    891,669,704.80x = 500,857,101,855,715,968
  5. Step 5: Solve for x
    x = 500,857,101,855,715,968/891,669,704.80
  6. Step 6: Final answer
    x = 561,706,985.40

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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.