Finding the Fourth Proportional to 641,202,247.59, 962,425,320.99 and 309,442,730.63
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Solution
The fourth proportional to 641,202,247.59, 962,425,320.99 and 309,442,730.63 is: 464,464,247.39
Step by Step Solution
- Step 1: Write the proportion equation
641,202,247.59 : 962,425,320.99 = 309,442,730.63 : x - Step 2: Convert to fraction form
641,202,247.59/962,425,320.99 = 309,442,730.63/x - Step 3: Cross multiply
641,202,247.59x = 962,425,320.99 × 309,442,730.63 - Step 4: Simplify right side
641,202,247.59x = 297,815,519,349,787,712 - Step 5: Solve for x
x = 297,815,519,349,787,712/641,202,247.59 - Step 6: Final answer
x = 464,464,247.39
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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.