Finding the Fourth Proportional to 2,519,638,350.80, 3,779,457,526.20 and 1,999,251,323.60
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Solution
The fourth proportional to 2,519,638,350.80, 3,779,457,526.20 and 1,999,251,323.60 is: 2,998,876,985.40
Step by Step Solution
- Step 1: Write the proportion equation
2,519,638,350.80 : 3,779,457,526.20 = 1,999,251,323.60 : x - Step 2: Convert to fraction form
2,519,638,350.80/3,779,457,526.20 = 1,999,251,323.60/x - Step 3: Cross multiply
2,519,638,350.80x = 3,779,457,526.20 × 1,999,251,323.60 - Step 4: Simplify right side
2,519,638,350.80x = 7,556,085,461,745,331,200 - Step 5: Solve for x
x = 7,556,085,461,745,331,200/2,519,638,350.80 - Step 6: Final answer
x = 2,998,876,985.40
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.