Finding the Fourth Proportional to 900,330,859.84, 1,350,471,095.44 and 286,951,892.80
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Solution
The fourth proportional to 900,330,859.84, 1,350,471,095.44 and 286,951,892.80 is: 430,419,809.31
Step by Step Solution
- Step 1: Write the proportion equation
900,330,859.84 : 1,350,471,095.44 = 286,951,892.80 : x - Step 2: Convert to fraction form
900,330,859.84/1,350,471,095.44 = 286,951,892.80/x - Step 3: Cross multiply
900,330,859.84x = 1,350,471,095.44 × 286,951,892.80 - Step 4: Simplify right side
900,330,859.84x = 387,520,237,008,197,504 - Step 5: Solve for x
x = 387,520,237,008,197,504/900,330,859.84 - Step 6: Final answer
x = 430,419,809.31
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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.