Finding the Fourth Proportional to 252,758,729.80, 378,571,224.30 and 207,409,097.80
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Solution
The fourth proportional to 252,758,729.80, 378,571,224.30 and 207,409,097.80 is: 310,648,483.43
Step by Step Solution
- Step 1: Write the proportion equation
252,758,729.80 : 378,571,224.30 = 207,409,097.80 : x - Step 2: Convert to fraction form
252,758,729.80/378,571,224.30 = 207,409,097.80/x - Step 3: Cross multiply
252,758,729.80x = 378,571,224.30 × 207,409,097.80 - Step 4: Simplify right side
252,758,729.80x = 78,519,116,085,104,448 - Step 5: Solve for x
x = 78,519,116,085,104,448/252,758,729.80 - Step 6: Final answer
x = 310,648,483.43
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.