Finding the Fourth Proportional to 3,779,257,517.40, 5,668,886,276.10 and 1,019,165,539.80
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Solution
The fourth proportional to 3,779,257,517.40, 5,668,886,276.10 and 1,019,165,539.80 is: 1,528,748,309.70
Step by Step Solution
- Step 1: Write the proportion equation
3,779,257,517.40 : 5,668,886,276.10 = 1,019,165,539.80 : x - Step 2: Convert to fraction form
3,779,257,517.40/5,668,886,276.10 = 1,019,165,539.80/x - Step 3: Cross multiply
3,779,257,517.40x = 5,668,886,276.10 × 1,019,165,539.80 - Step 4: Simplify right side
3,779,257,517.40x = 5,777,533,541,646,268,416 - Step 5: Solve for x
x = 5,777,533,541,646,268,416/3,779,257,517.40 - Step 6: Final answer
x = 1,528,748,309.70
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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.