Finding the Fourth Proportional to 313,129,324.92, 469,690,996.61 and 190,341,543.99
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Solution
The fourth proportional to 313,129,324.92, 469,690,996.61 and 190,341,543.99 is: 285,510,497.99
Step by Step Solution
- Step 1: Write the proportion equation
313,129,324.92 : 469,690,996.61 = 190,341,543.99 : x - Step 2: Convert to fraction form
313,129,324.92/469,690,996.61 = 190,341,543.99/x - Step 3: Cross multiply
313,129,324.92x = 469,690,996.61 × 190,341,543.99 - Step 4: Simplify right side
313,129,324.92x = 89,401,709,491,997,552 - Step 5: Solve for x
x = 89,401,709,491,997,552/313,129,324.92 - Step 6: Final answer
x = 285,510,497.99
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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.