Finding the Fourth Proportional to 649,413,758.81, 974,283,059.45 and 189,351,928.13
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Solution
The fourth proportional to 649,413,758.81, 974,283,059.45 and 189,351,928.13 is: 284,075,249.94
Step by Step Solution
- Step 1: Write the proportion equation
649,413,758.81 : 974,283,059.45 = 189,351,928.13 : x - Step 2: Convert to fraction form
649,413,758.81/974,283,059.45 = 189,351,928.13/x - Step 3: Cross multiply
649,413,758.81x = 974,283,059.45 × 189,351,928.13 - Step 4: Simplify right side
649,413,758.81x = 184,482,375,846,854,880 - Step 5: Solve for x
x = 184,482,375,846,854,880/649,413,758.81 - Step 6: Final answer
x = 284,075,249.94
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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.