Finding the Fourth Proportional to 302,702,368.40, 417,729,252.40 and 163,473,116.75
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Solution
The fourth proportional to 302,702,368.40, 417,729,252.40 and 163,473,116.75 is: 225,592,892.48
Step by Step Solution
- Step 1: Write the proportion equation
302,702,368.40 : 417,729,252.40 = 163,473,116.75 : x - Step 2: Convert to fraction form
302,702,368.40/417,729,252.40 = 163,473,116.75/x - Step 3: Cross multiply
302,702,368.40x = 417,729,252.40 × 163,473,116.75 - Step 4: Simplify right side
302,702,368.40x = 68,287,502,847,475,416 - Step 5: Solve for x
x = 68,287,502,847,475,416/302,702,368.40 - Step 6: Final answer
x = 225,592,892.48
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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.