Finding the Fourth Proportional to 1,609,632,184.80, 2,414,448,277.20 and 575,660,575.20
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Solution
The fourth proportional to 1,609,632,184.80, 2,414,448,277.20 and 575,660,575.20 is: 863,490,862.80
Step by Step Solution
- Step 1: Write the proportion equation
1,609,632,184.80 : 2,414,448,277.20 = 575,660,575.20 : x - Step 2: Convert to fraction form
1,609,632,184.80/2,414,448,277.20 = 575,660,575.20/x - Step 3: Cross multiply
1,609,632,184.80x = 2,414,448,277.20 × 575,660,575.20 - Step 4: Simplify right side
1,609,632,184.80x = 1,389,902,684,043,601,152 - Step 5: Solve for x
x = 1,389,902,684,043,601,152/1,609,632,184.80 - Step 6: Final answer
x = 863,490,862.80
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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.