Finding the Fourth Proportional to 412,442,769.73, 569,173,983.12 and 224,269,715.20
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Solution
The fourth proportional to 412,442,769.73, 569,173,983.12 and 224,269,715.20 is: 309,493,816.99
Step by Step Solution
- Step 1: Write the proportion equation
412,442,769.73 : 569,173,983.12 = 224,269,715.20 : x - Step 2: Convert to fraction form
412,442,769.73/569,173,983.12 = 224,269,715.20/x - Step 3: Cross multiply
412,442,769.73x = 569,173,983.12 × 224,269,715.20 - Step 4: Simplify right side
412,442,769.73x = 127,648,487,093,572,000 - Step 5: Solve for x
x = 127,648,487,093,572,000/412,442,769.73 - Step 6: Final answer
x = 309,493,816.99
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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.