Finding the Fourth Proportional to 1,495,586,109.30, 2,243,379,163.95 and 1,240,782,141.30
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Solution
The fourth proportional to 1,495,586,109.30, 2,243,379,163.95 and 1,240,782,141.30 is: 1,861,173,211.95
Step by Step Solution
- Step 1: Write the proportion equation
1,495,586,109.30 : 2,243,379,163.95 = 1,240,782,141.30 : x - Step 2: Convert to fraction form
1,495,586,109.30/2,243,379,163.95 = 1,240,782,141.30/x - Step 3: Cross multiply
1,495,586,109.30x = 2,243,379,163.95 × 1,240,782,141.30 - Step 4: Simplify right side
1,495,586,109.30x = 2,783,544,802,793,684,480 - Step 5: Solve for x
x = 2,783,544,802,793,684,480/1,495,586,109.30 - Step 6: Final answer
x = 1,861,173,211.95
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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.