Finding the Fourth Proportional to 472,392,602.70, 659,819,093.70 and 472,392,602.70
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Solution
The fourth proportional to 472,392,602.70, 659,819,093.70 and 472,392,602.70 is: 659,819,093.70
Step by Step Solution
- Step 1: Write the proportion equation
472,392,602.70 : 659,819,093.70 = 472,392,602.70 : x - Step 2: Convert to fraction form
472,392,602.70/659,819,093.70 = 472,392,602.70/x - Step 3: Cross multiply
472,392,602.70x = 659,819,093.70 × 472,392,602.70 - Step 4: Simplify right side
472,392,602.70x = 311,693,658,984,098,176 - Step 5: Solve for x
x = 311,693,658,984,098,176/472,392,602.70 - Step 6: Final answer
x = 659,819,093.70
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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.