Finding the Fourth Proportional to 459,904,938.30, 689,343,167.16 and 241,578,346.68
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Solution
The fourth proportional to 459,904,938.30, 689,343,167.16 and 241,578,346.68 is: 362,097,400.46
Step by Step Solution
- Step 1: Write the proportion equation
459,904,938.30 : 689,343,167.16 = 241,578,346.68 : x - Step 2: Convert to fraction form
459,904,938.30/689,343,167.16 = 241,578,346.68/x - Step 3: Cross multiply
459,904,938.30x = 689,343,167.16 × 241,578,346.68 - Step 4: Simplify right side
459,904,938.30x = 166,530,382,617,667,680 - Step 5: Solve for x
x = 166,530,382,617,667,680/459,904,938.30 - Step 6: Final answer
x = 362,097,400.46
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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.