Finding the Fourth Proportional to 641,202,244.58, 962,425,316.49 and 309,442,727.62
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Solution
The fourth proportional to 641,202,244.58, 962,425,316.49 and 309,442,727.62 is: 464,464,242.88
Step by Step Solution
- Step 1: Write the proportion equation
641,202,244.58 : 962,425,316.49 = 309,442,727.62 : x - Step 2: Convert to fraction form
641,202,244.58/962,425,316.49 = 309,442,727.62/x - Step 3: Cross multiply
641,202,244.58x = 962,425,316.49 × 309,442,727.62 - Step 4: Simplify right side
641,202,244.58x = 297,815,515,065,249,984 - Step 5: Solve for x
x = 297,815,515,065,249,984/641,202,244.58 - Step 6: Final answer
x = 464,464,242.88
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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.