Home / 810,947,507,945.85-1,119,108,786,838.90-440,151,058,858.30

Finding the Fourth Proportional to 810,947,507,945.85, 1,119,108,786,838.90 and 440,151,058,858.30

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Solution

The fourth proportional to 810,947,507,945.85, 1,119,108,786,838.90 and 440,151,058,858.30 is: 607,409,126,581.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,947,507,945.85 : 1,119,108,786,838.90 = 440,151,058,858.30 : x
  2. Step 2: Convert to fraction form
    810,947,507,945.85/1,119,108,786,838.90 = 440,151,058,858.30/x
  3. Step 3: Cross multiply
    810,947,507,945.85x = 1,119,108,786,838.90 × 440,151,058,858.30
  4. Step 4: Simplify right side
    810,947,507,945.85x = 492,576,917,504,769,327,628,288
  5. Step 5: Solve for x
    x = 492,576,917,504,769,327,628,288/810,947,507,945.85
  6. Step 6: Final answer
    x = 607,409,126,581.42

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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.