Finding the Fourth Proportional to 770,674,549.50, 1,063,531,433.16 and 418,250,449.08
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Solution
The fourth proportional to 770,674,549.50, 1,063,531,433.16 and 418,250,449.08 is: 577,185,920.85
Step by Step Solution
- Step 1: Write the proportion equation
770,674,549.50 : 1,063,531,433.16 = 418,250,449.08 : x - Step 2: Convert to fraction form
770,674,549.50/1,063,531,433.16 = 418,250,449.08/x - Step 3: Cross multiply
770,674,549.50x = 1,063,531,433.16 × 418,250,449.08 - Step 4: Simplify right side
770,674,549.50x = 444,822,499,529,865,984 - Step 5: Solve for x
x = 444,822,499,529,865,984/770,674,549.50 - Step 6: Final answer
x = 577,185,920.85
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.