Finding the Fourth Proportional to 317,449,957.23, 476,236,257.62 and 120,698,072.09
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Solution
The fourth proportional to 317,449,957.23, 476,236,257.62 and 120,698,072.09 is: 181,070,423.36
Step by Step Solution
- Step 1: Write the proportion equation
317,449,957.23 : 476,236,257.62 = 120,698,072.09 : x - Step 2: Convert to fraction form
317,449,957.23/476,236,257.62 = 120,698,072.09/x - Step 3: Cross multiply
317,449,957.23x = 476,236,257.62 × 120,698,072.09 - Step 4: Simplify right side
317,449,957.23x = 57,480,798,151,105,896 - Step 5: Solve for x
x = 57,480,798,151,105,896/317,449,957.23 - Step 6: Final answer
x = 181,070,423.36
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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.