Finding the Fourth Proportional to 649,413,760.82, 974,283,062.46 and 189,351,930.12
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Solution
The fourth proportional to 649,413,760.82, 974,283,062.46 and 189,351,930.12 is: 284,075,252.93
Step by Step Solution
- Step 1: Write the proportion equation
649,413,760.82 : 974,283,062.46 = 189,351,930.12 : x - Step 2: Convert to fraction form
649,413,760.82/974,283,062.46 = 189,351,930.12/x - Step 3: Cross multiply
649,413,760.82x = 974,283,062.46 × 189,351,930.12 - Step 4: Simplify right side
649,413,760.82x = 184,482,378,360,025,536 - Step 5: Solve for x
x = 184,482,378,360,025,536/649,413,760.82 - Step 6: Final answer
x = 284,075,252.93
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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.