Finding the Fourth Proportional to 3,927,472,574.81, 5,419,910,721.63 and 2,143,326,032.07
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Solution
The fourth proportional to 3,927,472,574.81, 5,419,910,721.63 and 2,143,326,032.07 is: 2,957,789,142.99
Step by Step Solution
- Step 1: Write the proportion equation
3,927,472,574.81 : 5,419,910,721.63 = 2,143,326,032.07 : x - Step 2: Convert to fraction form
3,927,472,574.81/5,419,910,721.63 = 2,143,326,032.07/x - Step 3: Cross multiply
3,927,472,574.81x = 5,419,910,721.63 × 2,143,326,032.07 - Step 4: Simplify right side
3,927,472,574.81x = 11,616,635,741,164,877,824 - Step 5: Solve for x
x = 11,616,635,741,164,877,824/3,927,472,574.81 - Step 6: Final answer
x = 2,957,789,142.99
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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.