Home / 693,362,100.80-1,040,043,151.20-233,147,316.80

Finding the Fourth Proportional to 693,362,100.80, 1,040,043,151.20 and 233,147,316.80

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Solution

The fourth proportional to 693,362,100.80, 1,040,043,151.20 and 233,147,316.80 is: 349,720,975.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,362,100.80 : 1,040,043,151.20 = 233,147,316.80 : x
  2. Step 2: Convert to fraction form
    693,362,100.80/1,040,043,151.20 = 233,147,316.80/x
  3. Step 3: Cross multiply
    693,362,100.80x = 1,040,043,151.20 × 233,147,316.80
  4. Step 4: Simplify right side
    693,362,100.80x = 242,483,270,058,496,736
  5. Step 5: Solve for x
    x = 242,483,270,058,496,736/693,362,100.80
  6. Step 6: Final answer
    x = 349,720,975.20

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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.