Finding the Fourth Proportional to 317,769,847.99, 476,645,960.78 and 84,602,560.39
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Solution
The fourth proportional to 317,769,847.99, 476,645,960.78 and 84,602,560.39 is: 126,901,494.70
Step by Step Solution
- Step 1: Write the proportion equation
317,769,847.99 : 476,645,960.78 = 84,602,560.39 : x - Step 2: Convert to fraction form
317,769,847.99/476,645,960.78 = 84,602,560.39/x - Step 3: Cross multiply
317,769,847.99x = 476,645,960.78 × 84,602,560.39 - Step 4: Simplify right side
317,769,847.99x = 40,325,468,679,924,896 - Step 5: Solve for x
x = 40,325,468,679,924,896/317,769,847.99 - Step 6: Final answer
x = 126,901,494.70
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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.