Finding the Fourth Proportional to 1,533,883,211.80, 2,300,824,817.70 and 1,278,791,531.80
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Solution
The fourth proportional to 1,533,883,211.80, 2,300,824,817.70 and 1,278,791,531.80 is: 1,918,187,297.70
Step by Step Solution
- Step 1: Write the proportion equation
1,533,883,211.80 : 2,300,824,817.70 = 1,278,791,531.80 : x - Step 2: Convert to fraction form
1,533,883,211.80/2,300,824,817.70 = 1,278,791,531.80/x - Step 3: Cross multiply
1,533,883,211.80x = 2,300,824,817.70 × 1,278,791,531.80 - Step 4: Simplify right side
1,533,883,211.80x = 2,942,275,293,030,038,528 - Step 5: Solve for x
x = 2,942,275,293,030,038,528/1,533,883,211.80 - Step 6: Final answer
x = 1,918,187,297.70
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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.