Finding the Fourth Proportional to 300,638,455.68, 450,847,076.16 and 103,851,793.92
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Solution
The fourth proportional to 300,638,455.68, 450,847,076.16 and 103,851,793.92 is: 155,739,482.95
Step by Step Solution
- Step 1: Write the proportion equation
300,638,455.68 : 450,847,076.16 = 103,851,793.92 : x - Step 2: Convert to fraction form
300,638,455.68/450,847,076.16 = 103,851,793.92/x - Step 3: Cross multiply
300,638,455.68x = 450,847,076.16 × 103,851,793.92 - Step 4: Simplify right side
300,638,455.68x = 46,821,277,642,802,872 - Step 5: Solve for x
x = 46,821,277,642,802,872/300,638,455.68 - Step 6: Final answer
x = 155,739,482.95
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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.