Finding the Fourth Proportional to 1,877,631,517.11, 2,815,299,362.93 and 895,358,487.99
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Solution
The fourth proportional to 1,877,631,517.11, 2,815,299,362.93 and 895,358,487.99 is: 1,342,490,343.74
Step by Step Solution
- Step 1: Write the proportion equation
1,877,631,517.11 : 2,815,299,362.93 = 895,358,487.99 : x - Step 2: Convert to fraction form
1,877,631,517.11/2,815,299,362.93 = 895,358,487.99/x - Step 3: Cross multiply
1,877,631,517.11x = 2,815,299,362.93 × 895,358,487.99 - Step 4: Simplify right side
1,877,631,517.11x = 2,520,702,180,827,738,624 - Step 5: Solve for x
x = 2,520,702,180,827,738,624/1,877,631,517.11 - Step 6: Final answer
x = 1,342,490,343.74
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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.