Finding the Fourth Proportional to 302,702,415.72, 417,729,317.58 and 163,473,163.98
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Solution
The fourth proportional to 302,702,415.72, 417,729,317.58 and 163,473,163.98 is: 225,592,957.59
Step by Step Solution
- Step 1: Write the proportion equation
302,702,415.72 : 417,729,317.58 = 163,473,163.98 : x - Step 2: Convert to fraction form
302,702,415.72/417,729,317.58 = 163,473,163.98/x - Step 3: Cross multiply
302,702,415.72x = 417,729,317.58 × 163,473,163.98 - Step 4: Simplify right side
302,702,415.72x = 68,287,533,232,008,832 - Step 5: Solve for x
x = 68,287,533,232,008,832/302,702,415.72 - Step 6: Final answer
x = 225,592,957.59
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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.