Home / 1,939,368,514.82-2,909,052,810.72-465,508,323.74

Finding the Fourth Proportional to 1,939,368,514.82, 2,909,052,810.72 and 465,508,323.74

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Solution

The fourth proportional to 1,939,368,514.82, 2,909,052,810.72 and 465,508,323.74 is: 698,262,494.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,939,368,514.82 : 2,909,052,810.72 = 465,508,323.74 : x
  2. Step 2: Convert to fraction form
    1,939,368,514.82/2,909,052,810.72 = 465,508,323.74/x
  3. Step 3: Cross multiply
    1,939,368,514.82x = 2,909,052,810.72 × 465,508,323.74
  4. Step 4: Simplify right side
    1,939,368,514.82x = 1,354,188,297,589,402,624
  5. Step 5: Solve for x
    x = 1,354,188,297,589,402,624/1,939,368,514.82
  6. Step 6: Final answer
    x = 698,262,494.85

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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.