Finding the Fourth Proportional to 848,282,130.30, 1,272,423,195.45 and 440,135,442.30
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Solution
The fourth proportional to 848,282,130.30, 1,272,423,195.45 and 440,135,442.30 is: 660,203,163.45
Step by Step Solution
- Step 1: Write the proportion equation
848,282,130.30 : 1,272,423,195.45 = 440,135,442.30 : x - Step 2: Convert to fraction form
848,282,130.30/1,272,423,195.45 = 440,135,442.30/x - Step 3: Cross multiply
848,282,130.30x = 1,272,423,195.45 × 440,135,442.30 - Step 4: Simplify right side
848,282,130.30x = 560,038,545,922,165,120 - Step 5: Solve for x
x = 560,038,545,922,165,120/848,282,130.30 - Step 6: Final answer
x = 660,203,163.45
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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.