Finding the Fourth Proportional to 378,592,951.40, 567,497,516.70 and 205,704,477.80
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Solution
The fourth proportional to 378,592,951.40, 567,497,516.70 and 205,704,477.80 is: 308,343,776.33
Step by Step Solution
- Step 1: Write the proportion equation
378,592,951.40 : 567,497,516.70 = 205,704,477.80 : x - Step 2: Convert to fraction form
378,592,951.40/567,497,516.70 = 205,704,477.80/x - Step 3: Cross multiply
378,592,951.40x = 567,497,516.70 × 205,704,477.80 - Step 4: Simplify right side
378,592,951.40x = 116,736,780,325,570,288 - Step 5: Solve for x
x = 116,736,780,325,570,288/378,592,951.40 - Step 6: Final answer
x = 308,343,776.33
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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.