Finding the Fourth Proportional to 317,769,848.99, 476,645,962.27 and 84,602,561.39
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Solution
The fourth proportional to 317,769,848.99, 476,645,962.27 and 84,602,561.39 is: 126,901,496.20
Step by Step Solution
- Step 1: Write the proportion equation
317,769,848.99 : 476,645,962.27 = 84,602,561.39 : x - Step 2: Convert to fraction form
317,769,848.99/476,645,962.27 = 84,602,561.39/x - Step 3: Cross multiply
317,769,848.99x = 476,645,962.27 × 84,602,561.39 - Step 4: Simplify right side
317,769,848.99x = 40,325,469,284,243,296 - Step 5: Solve for x
x = 40,325,469,284,243,296/317,769,848.99 - Step 6: Final answer
x = 126,901,496.20
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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.