Finding the Fourth Proportional to 4,875,019,361.28, 7,310,223,833.13 and 1,888,481,203.92
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Solution
The fourth proportional to 4,875,019,361.28, 7,310,223,833.13 and 1,888,481,203.92 is: 2,831,828,815.89
Step by Step Solution
- Step 1: Write the proportion equation
4,875,019,361.28 : 7,310,223,833.13 = 1,888,481,203.92 : x - Step 2: Convert to fraction form
4,875,019,361.28/7,310,223,833.13 = 1,888,481,203.92/x - Step 3: Cross multiply
4,875,019,361.28x = 7,310,223,833.13 × 1,888,481,203.92 - Step 4: Simplify right side
4,875,019,361.28x = 13,805,220,305,314,021,376 - Step 5: Solve for x
x = 13,805,220,305,314,021,376/4,875,019,361.28 - Step 6: Final answer
x = 2,831,828,815.89
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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.