Finding the Fourth Proportional to 1,353,198,390,941.80, 2,030,691,824,495.20 and 637,107,126,369.48
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Solution
The fourth proportional to 1,353,198,390,941.80, 2,030,691,824,495.20 and 637,107,126,369.48 is: 956,081,710,935.01
Step by Step Solution
- Step 1: Write the proportion equation
1,353,198,390,941.80 : 2,030,691,824,495.20 = 637,107,126,369.48 : x - Step 2: Convert to fraction form
1,353,198,390,941.80/2,030,691,824,495.20 = 637,107,126,369.48/x - Step 3: Cross multiply
1,353,198,390,941.80x = 2,030,691,824,495.20 × 637,107,126,369.48 - Step 4: Simplify right side
1,353,198,390,941.80x = 1,293,768,232,846,133,286,666,240 - Step 5: Solve for x
x = 1,293,768,232,846,133,286,666,240/1,353,198,390,941.80 - Step 6: Final answer
x = 956,081,710,935.01
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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.