Finding the Fourth Proportional to 2,653,269,841,996.80, 3,980,302,706,847.60 and 931,914,782,896.80
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Solution
The fourth proportional to 2,653,269,841,996.80, 3,980,302,706,847.60 and 931,914,782,896.80 is: 1,398,011,945,186.80
Step by Step Solution
- Step 1: Write the proportion equation
2,653,269,841,996.80 : 3,980,302,706,847.60 = 931,914,782,896.80 : x - Step 2: Convert to fraction form
2,653,269,841,996.80/3,980,302,706,847.60 = 931,914,782,896.80/x - Step 3: Cross multiply
2,653,269,841,996.80x = 3,980,302,706,847.60 × 931,914,782,896.80 - Step 4: Simplify right side
2,653,269,841,996.80x = 3,709,302,932,915,426,934,390,784 - Step 5: Solve for x
x = 3,709,302,932,915,426,934,390,784/2,653,269,841,996.80 - Step 6: Final answer
x = 1,398,011,945,186.80
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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.