Finding the Fourth Proportional to 442,912,195.20, 664,368,292.80 and 184,631,869.20
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Solution
The fourth proportional to 442,912,195.20, 664,368,292.80 and 184,631,869.20 is: 276,947,803.80
Step by Step Solution
- Step 1: Write the proportion equation
442,912,195.20 : 664,368,292.80 = 184,631,869.20 : x - Step 2: Convert to fraction form
442,912,195.20/664,368,292.80 = 184,631,869.20/x - Step 3: Cross multiply
442,912,195.20x = 664,368,292.80 × 184,631,869.20 - Step 4: Simplify right side
442,912,195.20x = 122,663,559,736,876,880 - Step 5: Solve for x
x = 122,663,559,736,876,880/442,912,195.20 - Step 6: Final answer
x = 276,947,803.80
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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.