Finding the Fourth Proportional to 3,068,995,225.84, 4,235,205,445.77 and 1,712,614,906.20
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Solution
The fourth proportional to 3,068,995,225.84, 4,235,205,445.77 and 1,712,614,906.20 is: 2,363,404,125.28
Step by Step Solution
- Step 1: Write the proportion equation
3,068,995,225.84 : 4,235,205,445.77 = 1,712,614,906.20 : x - Step 2: Convert to fraction form
3,068,995,225.84/4,235,205,445.77 = 1,712,614,906.20/x - Step 3: Cross multiply
3,068,995,225.84x = 4,235,205,445.77 × 1,712,614,906.20 - Step 4: Simplify right side
3,068,995,225.84x = 7,253,275,977,229,023,232 - Step 5: Solve for x
x = 7,253,275,977,229,023,232/3,068,995,225.84 - Step 6: Final answer
x = 2,363,404,125.28
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.