Finding the Fourth Proportional to 1,845,682,118.70, 2,768,646,609.60 and 649,014,857.74
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Solution
The fourth proportional to 1,845,682,118.70, 2,768,646,609.60 and 649,014,857.74 is: 973,565,690.03
Step by Step Solution
- Step 1: Write the proportion equation
1,845,682,118.70 : 2,768,646,609.60 = 649,014,857.74 : x - Step 2: Convert to fraction form
1,845,682,118.70/2,768,646,609.60 = 649,014,857.74/x - Step 3: Cross multiply
1,845,682,118.70x = 2,768,646,609.60 × 649,014,857.74 - Step 4: Simplify right side
1,845,682,118.70x = 1,796,892,785,462,936,832 - Step 5: Solve for x
x = 1,796,892,785,462,936,832/1,845,682,118.70 - Step 6: Final answer
x = 973,565,690.03
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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.