Finding the Fourth Proportional to 317,168,438.79, 476,219,678.88 and 177,382,767.96
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Solution
The fourth proportional to 317,168,438.79, 476,219,678.88 and 177,382,767.96 is: 266,335,342.57
Step by Step Solution
- Step 1: Write the proportion equation
317,168,438.79 : 476,219,678.88 = 177,382,767.96 : x - Step 2: Convert to fraction form
317,168,438.79/476,219,678.88 = 177,382,767.96/x - Step 3: Cross multiply
317,168,438.79x = 476,219,678.88 × 177,382,767.96 - Step 4: Simplify right side
317,168,438.79x = 84,473,164,797,421,952 - Step 5: Solve for x
x = 84,473,164,797,421,952/317,168,438.79 - Step 6: Final answer
x = 266,335,342.57
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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.