Finding the Fourth Proportional to 1,197,766,657.20, 1,796,649,985.80 and 1,022,414,746.80
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Solution
The fourth proportional to 1,197,766,657.20, 1,796,649,985.80 and 1,022,414,746.80 is: 1,533,622,120.20
Step by Step Solution
- Step 1: Write the proportion equation
1,197,766,657.20 : 1,796,649,985.80 = 1,022,414,746.80 : x - Step 2: Convert to fraction form
1,197,766,657.20/1,796,649,985.80 = 1,022,414,746.80/x - Step 3: Cross multiply
1,197,766,657.20x = 1,796,649,985.80 × 1,022,414,746.80 - Step 4: Simplify right side
1,197,766,657.20x = 1,836,921,440,319,930,368 - Step 5: Solve for x
x = 1,836,921,440,319,930,368/1,197,766,657.20 - Step 6: Final answer
x = 1,533,622,120.20
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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.