Finding the Fourth Proportional to 320,033,053.70, 480,049,580.55 and 306,596,125.70
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Solution
The fourth proportional to 320,033,053.70, 480,049,580.55 and 306,596,125.70 is: 459,894,188.55
Step by Step Solution
- Step 1: Write the proportion equation
320,033,053.70 : 480,049,580.55 = 306,596,125.70 : x - Step 2: Convert to fraction form
320,033,053.70/480,049,580.55 = 306,596,125.70/x - Step 3: Cross multiply
320,033,053.70x = 480,049,580.55 × 306,596,125.70 - Step 4: Simplify right side
320,033,053.70x = 147,181,341,540,540,064 - Step 5: Solve for x
x = 147,181,341,540,540,064/320,033,053.70 - Step 6: Final answer
x = 459,894,188.55
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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.