Finding the Fourth Proportional to 387,350,923.68, 534,241,878.24 and 248,134,629.60
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Solution
The fourth proportional to 387,350,923.68, 534,241,878.24 and 248,134,629.60 is: 342,232,075.54
Step by Step Solution
- Step 1: Write the proportion equation
387,350,923.68 : 534,241,878.24 = 248,134,629.60 : x - Step 2: Convert to fraction form
387,350,923.68/534,241,878.24 = 248,134,629.60/x - Step 3: Cross multiply
387,350,923.68x = 534,241,878.24 × 248,134,629.60 - Step 4: Simplify right side
387,350,923.68x = 132,563,910,573,890,704 - Step 5: Solve for x
x = 132,563,910,573,890,704/387,350,923.68 - Step 6: Final answer
x = 342,232,075.54
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.