Finding the Fourth Proportional to 974,175,543.48, 1,461,263,286.98 and 449,389,378.08
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Solution
The fourth proportional to 974,175,543.48, 1,461,263,286.98 and 449,389,378.08 is: 674,084,054.09
Step by Step Solution
- Step 1: Write the proportion equation
974,175,543.48 : 1,461,263,286.98 = 449,389,378.08 : x - Step 2: Convert to fraction form
974,175,543.48/1,461,263,286.98 = 449,389,378.08/x - Step 3: Cross multiply
974,175,543.48x = 1,461,263,286.98 × 449,389,378.08 - Step 4: Simplify right side
974,175,543.48x = 656,676,199,737,525,376 - Step 5: Solve for x
x = 656,676,199,737,525,376/974,175,543.48 - Step 6: Final answer
x = 674,084,054.09
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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.