Finding the Fourth Proportional to 4,478,976,572.40, 6,718,464,858.60 and 4,451,766,793.20
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Solution
The fourth proportional to 4,478,976,572.40, 6,718,464,858.60 and 4,451,766,793.20 is: 6,677,650,189.80
Step by Step Solution
- Step 1: Write the proportion equation
4,478,976,572.40 : 6,718,464,858.60 = 4,451,766,793.20 : x - Step 2: Convert to fraction form
4,478,976,572.40/6,718,464,858.60 = 4,451,766,793.20/x - Step 3: Cross multiply
4,478,976,572.40x = 6,718,464,858.60 × 4,451,766,793.20 - Step 4: Simplify right side
4,478,976,572.40x = 29,909,038,758,796,615,680 - Step 5: Solve for x
x = 29,909,038,758,796,615,680/4,478,976,572.40 - Step 6: Final answer
x = 6,677,650,189.80
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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.