Home / 810,947,507,942.35-1,119,108,786,834-440,151,058,854.80

Finding the Fourth Proportional to 810,947,507,942.35, 1,119,108,786,834 and 440,151,058,854.80

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Solution

The fourth proportional to 810,947,507,942.35, 1,119,108,786,834 and 440,151,058,854.80 is: 607,409,126,576.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,947,507,942.35 : 1,119,108,786,834 = 440,151,058,854.80 : x
  2. Step 2: Convert to fraction form
    810,947,507,942.35/1,119,108,786,834 = 440,151,058,854.80/x
  3. Step 3: Cross multiply
    810,947,507,942.35x = 1,119,108,786,834 × 440,151,058,854.80
  4. Step 4: Simplify right side
    810,947,507,942.35x = 492,576,917,498,695,774,109,696
  5. Step 5: Solve for x
    x = 492,576,917,498,695,774,109,696/810,947,507,942.35
  6. Step 6: Final answer
    x = 607,409,126,576.55

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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.