Finding the Fourth Proportional to 1,567,190,750.80, 2,350,786,126.20 and 476,672,069.20
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Solution
The fourth proportional to 1,567,190,750.80, 2,350,786,126.20 and 476,672,069.20 is: 715,008,103.80
Step by Step Solution
- Step 1: Write the proportion equation
1,567,190,750.80 : 2,350,786,126.20 = 476,672,069.20 : x - Step 2: Convert to fraction form
1,567,190,750.80/2,350,786,126.20 = 476,672,069.20/x - Step 3: Cross multiply
1,567,190,750.80x = 2,350,786,126.20 × 476,672,069.20 - Step 4: Simplify right side
1,567,190,750.80x = 1,120,554,087,022,406,272 - Step 5: Solve for x
x = 1,120,554,087,022,406,272/1,567,190,750.80 - Step 6: Final answer
x = 715,008,103.80
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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.