Finding the Fourth Proportional to 2,271,199,603.80, 3,406,799,405.70 and 891,059,136.60
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Solution
The fourth proportional to 2,271,199,603.80, 3,406,799,405.70 and 891,059,136.60 is: 1,336,588,704.90
Step by Step Solution
- Step 1: Write the proportion equation
2,271,199,603.80 : 3,406,799,405.70 = 891,059,136.60 : x - Step 2: Convert to fraction form
2,271,199,603.80/3,406,799,405.70 = 891,059,136.60/x - Step 3: Cross multiply
2,271,199,603.80x = 3,406,799,405.70 × 891,059,136.60 - Step 4: Simplify right side
2,271,199,603.80x = 3,035,659,737,012,434,944 - Step 5: Solve for x
x = 3,035,659,737,012,434,944/2,271,199,603.80 - Step 6: Final answer
x = 1,336,588,704.90
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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.