Home / 1,939,287,389.25-2,909,339,626.62-629,087,138.31

Finding the Fourth Proportional to 1,939,287,389.25, 2,909,339,626.62 and 629,087,138.31

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Solution

The fourth proportional to 1,939,287,389.25, 2,909,339,626.62 and 629,087,138.31 is: 943,763,235.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,939,287,389.25 : 2,909,339,626.62 = 629,087,138.31 : x
  2. Step 2: Convert to fraction form
    1,939,287,389.25/2,909,339,626.62 = 629,087,138.31/x
  3. Step 3: Cross multiply
    1,939,287,389.25x = 2,909,339,626.62 × 629,087,138.31
  4. Step 4: Simplify right side
    1,939,287,389.25x = 1,830,228,140,082,259,456
  5. Step 5: Solve for x
    x = 1,830,228,140,082,259,456/1,939,287,389.25
  6. Step 6: Final answer
    x = 943,763,235.00

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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.