Finding the Fourth Proportional to 432,966,633.65, 649,449,938.98 and 199,728,338.09
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Solution
The fourth proportional to 432,966,633.65, 649,449,938.98 and 199,728,338.09 is: 299,592,501.83
Step by Step Solution
- Step 1: Write the proportion equation
432,966,633.65 : 649,449,938.98 = 199,728,338.09 : x - Step 2: Convert to fraction form
432,966,633.65/649,449,938.98 = 199,728,338.09/x - Step 3: Cross multiply
432,966,633.65x = 649,449,938.98 × 199,728,338.09 - Step 4: Simplify right side
432,966,633.65x = 129,713,556,983,344,208 - Step 5: Solve for x
x = 129,713,556,983,344,208/432,966,633.65 - Step 6: Final answer
x = 299,592,501.83
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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.