Finding the Fourth Proportional to 1,729,843,180.32, 2,387,222,133.84 and 987,272,343.84
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Solution
The fourth proportional to 1,729,843,180.32, 2,387,222,133.84 and 987,272,343.84 is: 1,362,457,833.26
Step by Step Solution
- Step 1: Write the proportion equation
1,729,843,180.32 : 2,387,222,133.84 = 987,272,343.84 : x - Step 2: Convert to fraction form
1,729,843,180.32/2,387,222,133.84 = 987,272,343.84/x - Step 3: Cross multiply
1,729,843,180.32x = 2,387,222,133.84 × 987,272,343.84 - Step 4: Simplify right side
1,729,843,180.32x = 2,356,838,391,342,943,232 - Step 5: Solve for x
x = 2,356,838,391,342,943,232/1,729,843,180.32 - Step 6: Final answer
x = 1,362,457,833.26
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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.