Finding the Fourth Proportional to 341,386,554.38, 471,108,431.28 and 190,681,409.49
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Solution
The fourth proportional to 341,386,554.38, 471,108,431.28 and 190,681,409.49 is: 263,137,544.66
Step by Step Solution
- Step 1: Write the proportion equation
341,386,554.38 : 471,108,431.28 = 190,681,409.49 : x - Step 2: Convert to fraction form
341,386,554.38/471,108,431.28 = 190,681,409.49/x - Step 3: Cross multiply
341,386,554.38x = 471,108,431.28 × 190,681,409.49 - Step 4: Simplify right side
341,386,554.38x = 89,831,619,699,093,200 - Step 5: Solve for x
x = 89,831,619,699,093,200/341,386,554.38 - Step 6: Final answer
x = 263,137,544.66
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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.