Finding the Fourth Proportional to 2,911,292,355.39, 4,362,494,869.85 and 1,728,543,763.13
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Solution
The fourth proportional to 2,911,292,355.39, 4,362,494,869.85 and 1,728,543,763.13 is: 2,590,177,274.70
Step by Step Solution
- Step 1: Write the proportion equation
2,911,292,355.39 : 4,362,494,869.85 = 1,728,543,763.13 : x - Step 2: Convert to fraction form
2,911,292,355.39/4,362,494,869.85 = 1,728,543,763.13/x - Step 3: Cross multiply
2,911,292,355.39x = 4,362,494,869.85 × 1,728,543,763.13 - Step 4: Simplify right side
2,911,292,355.39x = 7,540,763,298,935,384,064 - Step 5: Solve for x
x = 7,540,763,298,935,384,064/2,911,292,355.39 - Step 6: Final answer
x = 2,590,177,274.70
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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.