Finding the Fourth Proportional to 302,702,371.97, 417,729,257.28 and 163,473,120.32
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Solution
The fourth proportional to 302,702,371.97, 417,729,257.28 and 163,473,120.32 is: 225,592,897.38
Step by Step Solution
- Step 1: Write the proportion equation
302,702,371.97 : 417,729,257.28 = 163,473,120.32 : x - Step 2: Convert to fraction form
302,702,371.97/417,729,257.28 = 163,473,120.32/x - Step 3: Cross multiply
302,702,371.97x = 417,729,257.28 × 163,473,120.32 - Step 4: Simplify right side
302,702,371.97x = 68,287,505,134,429,024 - Step 5: Solve for x
x = 68,287,505,134,429,024/302,702,371.97 - Step 6: Final answer
x = 225,592,897.38
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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.