Finding the Fourth Proportional to 1,576,354,728.40, 2,364,532,092.60 and 995,879,438.80
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Solution
The fourth proportional to 1,576,354,728.40, 2,364,532,092.60 and 995,879,438.80 is: 1,493,819,158.20
Step by Step Solution
- Step 1: Write the proportion equation
1,576,354,728.40 : 2,364,532,092.60 = 995,879,438.80 : x - Step 2: Convert to fraction form
1,576,354,728.40/2,364,532,092.60 = 995,879,438.80/x - Step 3: Cross multiply
1,576,354,728.40x = 2,364,532,092.60 × 995,879,438.80 - Step 4: Simplify right side
1,576,354,728.40x = 2,354,788,893,403,077,632 - Step 5: Solve for x
x = 2,354,788,893,403,077,632/1,576,354,728.40 - Step 6: Final answer
x = 1,493,819,158.20
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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.