Finding the Fourth Proportional to 1,822,184,516.88, 2,514,602,112.12 and 986,789,970.48
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Solution
The fourth proportional to 1,822,184,516.88, 2,514,602,112.12 and 986,789,970.48 is: 1,361,763,378.52
Step by Step Solution
- Step 1: Write the proportion equation
1,822,184,516.88 : 2,514,602,112.12 = 986,789,970.48 : x - Step 2: Convert to fraction form
1,822,184,516.88/2,514,602,112.12 = 986,789,970.48/x - Step 3: Cross multiply
1,822,184,516.88x = 2,514,602,112.12 × 986,789,970.48 - Step 4: Simplify right side
1,822,184,516.88x = 2,481,384,143,987,840,512 - Step 5: Solve for x
x = 2,481,384,143,987,840,512/1,822,184,516.88 - Step 6: Final answer
x = 1,361,763,378.52
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.