Finding the Fourth Proportional to 2,212,679,466.20, 3,319,019,199.30 and 1,110,683,408.60
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Solution
The fourth proportional to 2,212,679,466.20, 3,319,019,199.30 and 1,110,683,408.60 is: 1,666,025,112.90
Step by Step Solution
- Step 1: Write the proportion equation
2,212,679,466.20 : 3,319,019,199.30 = 1,110,683,408.60 : x - Step 2: Convert to fraction form
2,212,679,466.20/3,319,019,199.30 = 1,110,683,408.60/x - Step 3: Cross multiply
2,212,679,466.20x = 3,319,019,199.30 × 1,110,683,408.60 - Step 4: Simplify right side
2,212,679,466.20x = 3,686,379,557,487,366,656 - Step 5: Solve for x
x = 3,686,379,557,487,366,656/2,212,679,466.20 - Step 6: Final answer
x = 1,666,025,112.90
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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.