Home / 690,214,884.37-1,035,467,751.23-223,839,943.08

Finding the Fourth Proportional to 690,214,884.37, 1,035,467,751.23 and 223,839,943.08

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Solution

The fourth proportional to 690,214,884.37, 1,035,467,751.23 and 223,839,943.08 is: 335,807,076.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,214,884.37 : 1,035,467,751.23 = 223,839,943.08 : x
  2. Step 2: Convert to fraction form
    690,214,884.37/1,035,467,751.23 = 223,839,943.08/x
  3. Step 3: Cross multiply
    690,214,884.37x = 1,035,467,751.23 × 223,839,943.08
  4. Step 4: Simplify right side
    690,214,884.37x = 231,779,042,496,498,816
  5. Step 5: Solve for x
    x = 231,779,042,496,498,816/690,214,884.37
  6. Step 6: Final answer
    x = 335,807,076.53

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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.