Home / 1,939,287,390.10-2,909,339,627.55-629,087,138.26

Finding the Fourth Proportional to 1,939,287,390.10, 2,909,339,627.55 and 629,087,138.26

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Solution

The fourth proportional to 1,939,287,390.10, 2,909,339,627.55 and 629,087,138.26 is: 943,763,234.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,939,287,390.10 : 2,909,339,627.55 = 629,087,138.26 : x
  2. Step 2: Convert to fraction form
    1,939,287,390.10/2,909,339,627.55 = 629,087,138.26/x
  3. Step 3: Cross multiply
    1,939,287,390.10x = 2,909,339,627.55 × 629,087,138.26
  4. Step 4: Simplify right side
    1,939,287,390.10x = 1,830,228,140,521,843,968
  5. Step 5: Solve for x
    x = 1,830,228,140,521,843,968/1,939,287,390.10
  6. Step 6: Final answer
    x = 943,763,234.82

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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.