Finding the Fourth Proportional to 744,214,088.24, 1,116,235,953.12 and 198,998,137.52
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Solution
The fourth proportional to 744,214,088.24, 1,116,235,953.12 and 198,998,137.52 is: 298,474,429.89
Step by Step Solution
- Step 1: Write the proportion equation
744,214,088.24 : 1,116,235,953.12 = 198,998,137.52 : x - Step 2: Convert to fraction form
744,214,088.24/1,116,235,953.12 = 198,998,137.52/x - Step 3: Cross multiply
744,214,088.24x = 1,116,235,953.12 × 198,998,137.52 - Step 4: Simplify right side
744,214,088.24x = 222,128,875,703,742,016 - Step 5: Solve for x
x = 222,128,875,703,742,016/744,214,088.24 - Step 6: Final answer
x = 298,474,429.89
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.