Finding the Fourth Proportional to 3,863,148,903.60, 5,794,723,355.40 and 3,243,276,121.20
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Solution
The fourth proportional to 3,863,148,903.60, 5,794,723,355.40 and 3,243,276,121.20 is: 4,864,914,181.80
Step by Step Solution
- Step 1: Write the proportion equation
3,863,148,903.60 : 5,794,723,355.40 = 3,243,276,121.20 : x - Step 2: Convert to fraction form
3,863,148,903.60/5,794,723,355.40 = 3,243,276,121.20/x - Step 3: Cross multiply
3,863,148,903.60x = 5,794,723,355.40 × 3,243,276,121.20 - Step 4: Simplify right side
3,863,148,903.60x = 18,793,887,887,528,759,296 - Step 5: Solve for x
x = 18,793,887,887,528,759,296/3,863,148,903.60 - Step 6: Final answer
x = 4,864,914,181.80
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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.