Finding the Fourth Proportional to 486,426,433.44, 730,367,724.29 and 421,050,333.09
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Solution
The fourth proportional to 486,426,433.44, 730,367,724.29 and 421,050,333.09 is: 632,205,720.02
Step by Step Solution
- Step 1: Write the proportion equation
486,426,433.44 : 730,367,724.29 = 421,050,333.09 : x - Step 2: Convert to fraction form
486,426,433.44/730,367,724.29 = 421,050,333.09/x - Step 3: Cross multiply
486,426,433.44x = 730,367,724.29 × 421,050,333.09 - Step 4: Simplify right side
486,426,433.44x = 307,521,573,586,837,888 - Step 5: Solve for x
x = 307,521,573,586,837,888/486,426,433.44 - Step 6: Final answer
x = 632,205,720.02
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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.