Finding the Fourth Proportional to 464,268,995.82, 640,691,192.72 and 255,420,654.44
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Solution
The fourth proportional to 464,268,995.82, 640,691,192.72 and 255,420,654.44 is: 352,480,491.29
Step by Step Solution
- Step 1: Write the proportion equation
464,268,995.82 : 640,691,192.72 = 255,420,654.44 : x - Step 2: Convert to fraction form
464,268,995.82/640,691,192.72 = 255,420,654.44/x - Step 3: Cross multiply
464,268,995.82x = 640,691,192.72 × 255,420,654.44 - Step 4: Simplify right side
464,268,995.82x = 163,645,763,738,486,560 - Step 5: Solve for x
x = 163,645,763,738,486,560/464,268,995.82 - Step 6: Final answer
x = 352,480,491.29
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.