Finding the Fourth Proportional to 3,572,403,284.94, 4,929,920,627.67 and 1,986,461,192.94
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Solution
The fourth proportional to 3,572,403,284.94, 4,929,920,627.67 and 1,986,461,192.94 is: 2,741,318,723.01
Step by Step Solution
- Step 1: Write the proportion equation
3,572,403,284.94 : 4,929,920,627.67 = 1,986,461,192.94 : x - Step 2: Convert to fraction form
3,572,403,284.94/4,929,920,627.67 = 1,986,461,192.94/x - Step 3: Cross multiply
3,572,403,284.94x = 4,929,920,627.67 × 1,986,461,192.94 - Step 4: Simplify right side
3,572,403,284.94x = 9,793,096,011,140,861,952 - Step 5: Solve for x
x = 9,793,096,011,140,861,952/3,572,403,284.94 - Step 6: Final answer
x = 2,741,318,723.01
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.