Finding the Fourth Proportional to 314,604,347.44, 434,205,138.64 and 189,283,211.32
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Solution
The fourth proportional to 314,604,347.44, 434,205,138.64 and 189,283,211.32 is: 261,241,599.75
Step by Step Solution
- Step 1: Write the proportion equation
314,604,347.44 : 434,205,138.64 = 189,283,211.32 : x - Step 2: Convert to fraction form
314,604,347.44/434,205,138.64 = 189,283,211.32/x - Step 3: Cross multiply
314,604,347.44x = 434,205,138.64 × 189,283,211.32 - Step 4: Simplify right side
314,604,347.44x = 82,187,743,013,425,008 - Step 5: Solve for x
x = 82,187,743,013,425,008/314,604,347.44 - Step 6: Final answer
x = 261,241,599.75
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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.