Finding the Fourth Proportional to 1,576,354,720.40, 2,364,532,080.60 and 995,879,430.80
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Solution
The fourth proportional to 1,576,354,720.40, 2,364,532,080.60 and 995,879,430.80 is: 1,493,819,146.20
Step by Step Solution
- Step 1: Write the proportion equation
1,576,354,720.40 : 2,364,532,080.60 = 995,879,430.80 : x - Step 2: Convert to fraction form
1,576,354,720.40/2,364,532,080.60 = 995,879,430.80/x - Step 3: Cross multiply
1,576,354,720.40x = 2,364,532,080.60 × 995,879,430.80 - Step 4: Simplify right side
1,576,354,720.40x = 2,354,788,862,536,267,264 - Step 5: Solve for x
x = 2,354,788,862,536,267,264/1,576,354,720.40 - Step 6: Final answer
x = 1,493,819,146.20
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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.