Finding the Fourth Proportional to 891,865,112.44, 1,337,494,288.01 and 339,034,202.68
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Solution
The fourth proportional to 891,865,112.44, 1,337,494,288.01 and 339,034,202.68 is: 508,435,976.69
Step by Step Solution
- Step 1: Write the proportion equation
891,865,112.44 : 1,337,494,288.01 = 339,034,202.68 : x - Step 2: Convert to fraction form
891,865,112.44/1,337,494,288.01 = 339,034,202.68/x - Step 3: Cross multiply
891,865,112.44x = 1,337,494,288.01 × 339,034,202.68 - Step 4: Simplify right side
891,865,112.44x = 453,456,309,517,837,184 - Step 5: Solve for x
x = 453,456,309,517,837,184/891,865,112.44 - Step 6: Final answer
x = 508,435,976.69
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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.