Finding the Fourth Proportional to 1,822,184,519.88, 2,514,602,116.26 and 986,789,973.48
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Solution
The fourth proportional to 1,822,184,519.88, 2,514,602,116.26 and 986,789,973.48 is: 1,361,763,382.66
Step by Step Solution
- Step 1: Write the proportion equation
1,822,184,519.88 : 2,514,602,116.26 = 986,789,973.48 : x - Step 2: Convert to fraction form
1,822,184,519.88/2,514,602,116.26 = 986,789,973.48/x - Step 3: Cross multiply
1,822,184,519.88x = 2,514,602,116.26 × 986,789,973.48 - Step 4: Simplify right side
1,822,184,519.88x = 2,481,384,155,616,957,440 - Step 5: Solve for x
x = 2,481,384,155,616,957,440/1,822,184,519.88 - Step 6: Final answer
x = 1,361,763,382.66
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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.