Finding the Fourth Proportional to 4,255,229,968.40, 6,377,470,181.40 and 2,069,489,680.40
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Solution
The fourth proportional to 4,255,229,968.40, 6,377,470,181.40 and 2,069,489,680.40 is: 3,101,620,552.94
Step by Step Solution
- Step 1: Write the proportion equation
4,255,229,968.40 : 6,377,470,181.40 = 2,069,489,680.40 : x - Step 2: Convert to fraction form
4,255,229,968.40/6,377,470,181.40 = 2,069,489,680.40/x - Step 3: Cross multiply
4,255,229,968.40x = 6,377,470,181.40 × 2,069,489,680.40 - Step 4: Simplify right side
4,255,229,968.40x = 13,198,108,727,466,016,768 - Step 5: Solve for x
x = 13,198,108,727,466,016,768/4,255,229,968.40 - Step 6: Final answer
x = 3,101,620,552.94
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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.