Finding the Fourth Proportional to 290,320,093.80, 436,128,947.10 and 242,544,349.80
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Solution
The fourth proportional to 290,320,093.80, 436,128,947.10 and 242,544,349.80 is: 364,358,562.02
Step by Step Solution
- Step 1: Write the proportion equation
290,320,093.80 : 436,128,947.10 = 242,544,349.80 : x - Step 2: Convert to fraction form
290,320,093.80/436,128,947.10 = 242,544,349.80/x - Step 3: Cross multiply
290,320,093.80x = 436,128,947.10 × 242,544,349.80 - Step 4: Simplify right side
290,320,093.80x = 105,780,611,903,328,112 - Step 5: Solve for x
x = 105,780,611,903,328,112/290,320,093.80 - Step 6: Final answer
x = 364,358,562.02
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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.