Finding the Fourth Proportional to 337,643,040.67, 465,996,331.55 and 194,560,967.05
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Solution
The fourth proportional to 337,643,040.67, 465,996,331.55 and 194,560,967.05 is: 268,522,332.72
Step by Step Solution
- Step 1: Write the proportion equation
337,643,040.67 : 465,996,331.55 = 194,560,967.05 : x - Step 2: Convert to fraction form
337,643,040.67/465,996,331.55 = 194,560,967.05/x - Step 3: Cross multiply
337,643,040.67x = 465,996,331.55 × 194,560,967.05 - Step 4: Simplify right side
337,643,040.67x = 90,664,696,907,294,736 - Step 5: Solve for x
x = 90,664,696,907,294,736/337,643,040.67 - Step 6: Final answer
x = 268,522,332.72
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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.