Finding the Fourth Proportional to 497,936,701.80, 746,905,052.70 and 268,354,189.80
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Solution
The fourth proportional to 497,936,701.80, 746,905,052.70 and 268,354,189.80 is: 402,531,284.70
Step by Step Solution
- Step 1: Write the proportion equation
497,936,701.80 : 746,905,052.70 = 268,354,189.80 : x - Step 2: Convert to fraction form
497,936,701.80/746,905,052.70 = 268,354,189.80/x - Step 3: Cross multiply
497,936,701.80x = 746,905,052.70 × 268,354,189.80 - Step 4: Simplify right side
497,936,701.80x = 200,435,100,274,834,816 - Step 5: Solve for x
x = 200,435,100,274,834,816/497,936,701.80 - Step 6: Final answer
x = 402,531,284.70
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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.