Finding the Fourth Proportional to 318,924,043.70, 447,702,984.70 and 318,924,043.70
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Solution
The fourth proportional to 318,924,043.70, 447,702,984.70 and 318,924,043.70 is: 447,702,984.70
Step by Step Solution
- Step 1: Write the proportion equation
318,924,043.70 : 447,702,984.70 = 318,924,043.70 : x - Step 2: Convert to fraction form
318,924,043.70/447,702,984.70 = 318,924,043.70/x - Step 3: Cross multiply
318,924,043.70x = 447,702,984.70 × 318,924,043.70 - Step 4: Simplify right side
318,924,043.70x = 142,783,246,257,083,216 - Step 5: Solve for x
x = 142,783,246,257,083,216/318,924,043.70 - Step 6: Final answer
x = 447,702,984.70
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.