Finding the Fourth Proportional to 316,145,309.22, 474,490,368.72 and 219,169,117.62
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Solution
The fourth proportional to 316,145,309.22, 474,490,368.72 and 219,169,117.62 is: 328,942,522.31
Step by Step Solution
- Step 1: Write the proportion equation
316,145,309.22 : 474,490,368.72 = 219,169,117.62 : x - Step 2: Convert to fraction form
316,145,309.22/474,490,368.72 = 219,169,117.62/x - Step 3: Cross multiply
316,145,309.22x = 474,490,368.72 × 219,169,117.62 - Step 4: Simplify right side
316,145,309.22x = 103,993,635,431,550,864 - Step 5: Solve for x
x = 103,993,635,431,550,864/316,145,309.22 - Step 6: Final answer
x = 328,942,522.31
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.