Finding the Fourth Proportional to 1,877,631,518.11, 2,815,299,364.42 and 895,358,488.99
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Solution
The fourth proportional to 1,877,631,518.11, 2,815,299,364.42 and 895,358,488.99 is: 1,342,490,345.24
Step by Step Solution
- Step 1: Write the proportion equation
1,877,631,518.11 : 2,815,299,364.42 = 895,358,488.99 : x - Step 2: Convert to fraction form
1,877,631,518.11/2,815,299,364.42 = 895,358,488.99/x - Step 3: Cross multiply
1,877,631,518.11x = 2,815,299,364.42 × 895,358,488.99 - Step 4: Simplify right side
1,877,631,518.11x = 2,520,702,184,981,598,720 - Step 5: Solve for x
x = 2,520,702,184,981,598,720/1,877,631,518.11 - Step 6: Final answer
x = 1,342,490,345.24
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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.