Finding the Fourth Proportional to 302,608,425.45, 453,912,638.18 and 180,164,419.05
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Solution
The fourth proportional to 302,608,425.45, 453,912,638.18 and 180,164,419.05 is: 270,246,628.58
Step by Step Solution
- Step 1: Write the proportion equation
302,608,425.45 : 453,912,638.18 = 180,164,419.05 : x - Step 2: Convert to fraction form
302,608,425.45/453,912,638.18 = 180,164,419.05/x - Step 3: Cross multiply
302,608,425.45x = 453,912,638.18 × 180,164,419.05 - Step 4: Simplify right side
302,608,425.45x = 81,778,906,756,251,728 - Step 5: Solve for x
x = 81,778,906,756,251,728/302,608,425.45 - Step 6: Final answer
x = 270,246,628.58
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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.