Finding the Fourth Proportional to 1,686,609,114.90, 2,529,913,672.35 and 996,160,967.70
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Solution
The fourth proportional to 1,686,609,114.90, 2,529,913,672.35 and 996,160,967.70 is: 1,494,241,451.55
Step by Step Solution
- Step 1: Write the proportion equation
1,686,609,114.90 : 2,529,913,672.35 = 996,160,967.70 : x - Step 2: Convert to fraction form
1,686,609,114.90/2,529,913,672.35 = 996,160,967.70/x - Step 3: Cross multiply
1,686,609,114.90x = 2,529,913,672.35 × 996,160,967.70 - Step 4: Simplify right side
1,686,609,114.90x = 2,520,201,252,045,636,608 - Step 5: Solve for x
x = 2,520,201,252,045,636,608/1,686,609,114.90 - Step 6: Final answer
x = 1,494,241,451.55
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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.