Finding the Fourth Proportional to 407,742,164.42, 611,362,942.18 and 158,456,350.24
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Solution
The fourth proportional to 407,742,164.42, 611,362,942.18 and 158,456,350.24 is: 237,587,252.29
Step by Step Solution
- Step 1: Write the proportion equation
407,742,164.42 : 611,362,942.18 = 158,456,350.24 : x - Step 2: Convert to fraction form
407,742,164.42/611,362,942.18 = 158,456,350.24/x - Step 3: Cross multiply
407,742,164.42x = 611,362,942.18 × 158,456,350.24 - Step 4: Simplify right side
407,742,164.42x = 96,874,340,487,906,416 - Step 5: Solve for x
x = 96,874,340,487,906,416/407,742,164.42 - Step 6: Final answer
x = 237,587,252.29
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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.