Finding the Fourth Proportional to 655,164,911.62, 982,885,407.26 and 212,473,072.82
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Solution
The fourth proportional to 655,164,911.62, 982,885,407.26 and 212,473,072.82 is: 318,754,376.20
Step by Step Solution
- Step 1: Write the proportion equation
655,164,911.62 : 982,885,407.26 = 212,473,072.82 : x - Step 2: Convert to fraction form
655,164,911.62/982,885,407.26 = 212,473,072.82/x - Step 3: Cross multiply
655,164,911.62x = 982,885,407.26 × 212,473,072.82 - Step 4: Simplify right side
655,164,911.62x = 208,836,682,713,060,416 - Step 5: Solve for x
x = 208,836,682,713,060,416/655,164,911.62 - Step 6: Final answer
x = 318,754,376.20
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.