Finding the Fourth Proportional to 4,378,295,812.80, 6,558,286,701.60 and 2,051,218,948.80
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Solution
The fourth proportional to 4,378,295,812.80, 6,558,286,701.60 and 2,051,218,948.80 is: 3,072,538,386.89
Step by Step Solution
- Step 1: Write the proportion equation
4,378,295,812.80 : 6,558,286,701.60 = 2,051,218,948.80 : x - Step 2: Convert to fraction form
4,378,295,812.80/6,558,286,701.60 = 2,051,218,948.80/x - Step 3: Cross multiply
4,378,295,812.80x = 6,558,286,701.60 × 2,051,218,948.80 - Step 4: Simplify right side
4,378,295,812.80x = 13,452,481,953,984,970,752 - Step 5: Solve for x
x = 13,452,481,953,984,970,752/4,378,295,812.80 - Step 6: Final answer
x = 3,072,538,386.89
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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.