Finding the Fourth Proportional to 302,184,021.60, 453,388,006.80 and 120,561,544.80
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Solution
The fourth proportional to 302,184,021.60, 453,388,006.80 and 120,561,544.80 is: 180,886,991.32
Step by Step Solution
- Step 1: Write the proportion equation
302,184,021.60 : 453,388,006.80 = 120,561,544.80 : x - Step 2: Convert to fraction form
302,184,021.60/453,388,006.80 = 120,561,544.80/x - Step 3: Cross multiply
302,184,021.60x = 453,388,006.80 × 120,561,544.80 - Step 4: Simplify right side
302,184,021.60x = 54,661,158,493,600,904 - Step 5: Solve for x
x = 54,661,158,493,600,904/302,184,021.60 - Step 6: Final answer
x = 180,886,991.32
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1.5x scale
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.