Finding the Fourth Proportional to 649,413,761.06, 974,283,062.83 and 189,351,930.38
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Solution
The fourth proportional to 649,413,761.06, 974,283,062.83 and 189,351,930.38 is: 284,075,253.31
Step by Step Solution
- Step 1: Write the proportion equation
649,413,761.06 : 974,283,062.83 = 189,351,930.38 : x - Step 2: Convert to fraction form
649,413,761.06/974,283,062.83 = 189,351,930.38/x - Step 3: Cross multiply
649,413,761.06x = 974,283,062.83 × 189,351,930.38 - Step 4: Simplify right side
649,413,761.06x = 184,482,378,678,054,528 - Step 5: Solve for x
x = 184,482,378,678,054,528/649,413,761.06 - Step 6: Final answer
x = 284,075,253.31
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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.