Finding the Fourth Proportional to 5,390,201,211.80, 8,085,301,817.70 and 2,487,824,763.80
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Solution
The fourth proportional to 5,390,201,211.80, 8,085,301,817.70 and 2,487,824,763.80 is: 3,731,737,145.70
Step by Step Solution
- Step 1: Write the proportion equation
5,390,201,211.80 : 8,085,301,817.70 = 2,487,824,763.80 : x - Step 2: Convert to fraction form
5,390,201,211.80/8,085,301,817.70 = 2,487,824,763.80/x - Step 3: Cross multiply
5,390,201,211.80x = 8,085,301,817.70 × 2,487,824,763.80 - Step 4: Simplify right side
5,390,201,211.80x = 20,114,814,084,871,213,056 - Step 5: Solve for x
x = 20,114,814,084,871,213,056/5,390,201,211.80 - Step 6: Final answer
x = 3,731,737,145.70
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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.