Finding the Fourth Proportional to 289,183,052.17, 399,084,054.44 and 162,024,827.28
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Solution
The fourth proportional to 289,183,052.17, 399,084,054.44 and 162,024,827.28 is: 223,600,672.66
Step by Step Solution
- Step 1: Write the proportion equation
289,183,052.17 : 399,084,054.44 = 162,024,827.28 : x - Step 2: Convert to fraction form
289,183,052.17/399,084,054.44 = 162,024,827.28/x - Step 3: Cross multiply
289,183,052.17x = 399,084,054.44 × 162,024,827.28 - Step 4: Simplify right side
289,183,052.17x = 64,661,524,988,536,432 - Step 5: Solve for x
x = 64,661,524,988,536,432/289,183,052.17 - Step 6: Final answer
x = 223,600,672.66
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.