Finding the Fourth Proportional to 2,653,269,841,996.70, 3,980,302,706,847.30 and 931,914,782,896.59
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Solution
The fourth proportional to 2,653,269,841,996.70, 3,980,302,706,847.30 and 931,914,782,896.59 is: 1,398,011,945,186.43
Step by Step Solution
- Step 1: Write the proportion equation
2,653,269,841,996.70 : 3,980,302,706,847.30 = 931,914,782,896.59 : x - Step 2: Convert to fraction form
2,653,269,841,996.70/3,980,302,706,847.30 = 931,914,782,896.59/x - Step 3: Cross multiply
2,653,269,841,996.70x = 3,980,302,706,847.30 × 931,914,782,896.59 - Step 4: Simplify right side
2,653,269,841,996.70x = 3,709,302,932,914,310,779,764,736 - Step 5: Solve for x
x = 3,709,302,932,914,310,779,764,736/2,653,269,841,996.70 - Step 6: Final answer
x = 1,398,011,945,186.43
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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.