Finding the Fourth Proportional to 1,620,546,228.60, 2,235,119,924.67 and 1,394,869,309.68
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Solution
The fourth proportional to 1,620,546,228.60, 2,235,119,924.67 and 1,394,869,309.68 is: 1,923,857,605.14
Step by Step Solution
- Step 1: Write the proportion equation
1,620,546,228.60 : 2,235,119,924.67 = 1,394,869,309.68 : x - Step 2: Convert to fraction form
1,620,546,228.60/2,235,119,924.67 = 1,394,869,309.68/x - Step 3: Cross multiply
1,620,546,228.60x = 2,235,119,924.67 × 1,394,869,309.68 - Step 4: Simplify right side
1,620,546,228.60x = 3,117,700,186,376,456,704 - Step 5: Solve for x
x = 3,117,700,186,376,456,704/1,620,546,228.60 - Step 6: Final answer
x = 1,923,857,605.14
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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.