Finding the Fourth Proportional to 4,233,043,455, 6,349,154,891.64 and 1,285,348,983.49
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Solution
The fourth proportional to 4,233,043,455, 6,349,154,891.64 and 1,285,348,983.49 is: 1,927,898,891.84
Step by Step Solution
- Step 1: Write the proportion equation
4,233,043,455 : 6,349,154,891.64 = 1,285,348,983.49 : x - Step 2: Convert to fraction form
4,233,043,455/6,349,154,891.64 = 1,285,348,983.49/x - Step 3: Cross multiply
4,233,043,455x = 6,349,154,891.64 × 1,285,348,983.49 - Step 4: Simplify right side
4,233,043,455x = 8,160,879,785,990,035,456 - Step 5: Solve for x
x = 8,160,879,785,990,035,456/4,233,043,455 - Step 6: Final answer
x = 1,927,898,891.84
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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.