Finding the Fourth Proportional to 2,478,726,091.08, 3,718,579,782.78 and 708,112,092.60
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Solution
The fourth proportional to 2,478,726,091.08, 3,718,579,782.78 and 708,112,092.60 is: 1,062,308,304.64
Step by Step Solution
- Step 1: Write the proportion equation
2,478,726,091.08 : 3,718,579,782.78 = 708,112,092.60 : x - Step 2: Convert to fraction form
2,478,726,091.08/3,718,579,782.78 = 708,112,092.60/x - Step 3: Cross multiply
2,478,726,091.08x = 3,718,579,782.78 × 708,112,092.60 - Step 4: Simplify right side
2,478,726,091.08x = 2,633,171,311,484,399,616 - Step 5: Solve for x
x = 2,633,171,311,484,399,616/2,478,726,091.08 - Step 6: Final answer
x = 1,062,308,304.64
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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.