Finding the Fourth Proportional to 1,658,629,274.00, 2,288,893,329.18 and 905,942,292.93
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Solution
The fourth proportional to 1,658,629,274.00, 2,288,893,329.18 and 905,942,292.93 is: 1,250,192,133.60
Step by Step Solution
- Step 1: Write the proportion equation
1,658,629,274.00 : 2,288,893,329.18 = 905,942,292.93 : x - Step 2: Convert to fraction form
1,658,629,274.00/2,288,893,329.18 = 905,942,292.93/x - Step 3: Cross multiply
1,658,629,274.00x = 2,288,893,329.18 × 905,942,292.93 - Step 4: Simplify right side
1,658,629,274.00x = 2,073,605,270,909,510,144 - Step 5: Solve for x
x = 2,073,605,270,909,510,144/1,658,629,274.00 - Step 6: Final answer
x = 1,250,192,133.60
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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.