Finding the Fourth Proportional to 1,620,546,223.08, 2,235,119,917.10 and 1,394,869,304.18
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Solution
The fourth proportional to 1,620,546,223.08, 2,235,119,917.10 and 1,394,869,304.18 is: 1,923,857,597.59
Step by Step Solution
- Step 1: Write the proportion equation
1,620,546,223.08 : 2,235,119,917.10 = 1,394,869,304.18 : x - Step 2: Convert to fraction form
1,620,546,223.08/2,235,119,917.10 = 1,394,869,304.18/x - Step 3: Cross multiply
1,620,546,223.08x = 2,235,119,917.10 × 1,394,869,304.18 - Step 4: Simplify right side
1,620,546,223.08x = 3,117,700,163,524,136,448 - Step 5: Solve for x
x = 3,117,700,163,524,136,448/1,620,546,223.08 - Step 6: Final answer
x = 1,923,857,597.59
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.