Home / 912,028,048.85-1,258,600,562.00-494,340,617.09

Finding the Fourth Proportional to 912,028,048.85, 1,258,600,562.00 and 494,340,617.09

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Solution

The fourth proportional to 912,028,048.85, 1,258,600,562.00 and 494,340,617.09 is: 682,191,056.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,028,048.85 : 1,258,600,562.00 = 494,340,617.09 : x
  2. Step 2: Convert to fraction form
    912,028,048.85/1,258,600,562.00 = 494,340,617.09/x
  3. Step 3: Cross multiply
    912,028,048.85x = 1,258,600,562.00 × 494,340,617.09
  4. Step 4: Simplify right side
    912,028,048.85x = 622,177,378,480,136,064
  5. Step 5: Solve for x
    x = 622,177,378,480,136,064/912,028,048.85
  6. Step 6: Final answer
    x = 682,191,056.81

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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.