Finding the Fourth Proportional to 3,728,533,278, 5,145,302,989.36 and 2,035,000,062.56
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Solution
The fourth proportional to 3,728,533,278, 5,145,302,989.36 and 2,035,000,062.56 is: 2,808,260,279.46
Step by Step Solution
- Step 1: Write the proportion equation
3,728,533,278 : 5,145,302,989.36 = 2,035,000,062.56 : x - Step 2: Convert to fraction form
3,728,533,278/5,145,302,989.36 = 2,035,000,062.56/x - Step 3: Cross multiply
3,728,533,278x = 5,145,302,989.36 × 2,035,000,062.56 - Step 4: Simplify right side
3,728,533,278x = 10,470,691,905,237,753,856 - Step 5: Solve for x
x = 10,470,691,905,237,753,856/3,728,533,278 - Step 6: Final answer
x = 2,808,260,279.46
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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.