Finding the Fourth Proportional to 320,601,187.08, 442,392,313.30 and 179,480,135.07
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Solution
The fourth proportional to 320,601,187.08, 442,392,313.30 and 179,480,135.07 is: 247,661,691.05
Step by Step Solution
- Step 1: Write the proportion equation
320,601,187.08 : 442,392,313.30 = 179,480,135.07 : x - Step 2: Convert to fraction form
320,601,187.08/442,392,313.30 = 179,480,135.07/x - Step 3: Cross multiply
320,601,187.08x = 442,392,313.30 × 179,480,135.07 - Step 4: Simplify right side
320,601,187.08x = 79,400,632,144,565,056 - Step 5: Solve for x
x = 79,400,632,144,565,056/320,601,187.08 - Step 6: Final answer
x = 247,661,691.05
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.