Finding the Fourth Proportional to 2,125,766,479.60, 3,188,649,719.40 and 2,112,852,463.30
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Solution
The fourth proportional to 2,125,766,479.60, 3,188,649,719.40 and 2,112,852,463.30 is: 3,169,278,694.95
Step by Step Solution
- Step 1: Write the proportion equation
2,125,766,479.60 : 3,188,649,719.40 = 2,112,852,463.30 : x - Step 2: Convert to fraction form
2,125,766,479.60/3,188,649,719.40 = 2,112,852,463.30/x - Step 3: Cross multiply
2,125,766,479.60x = 3,188,649,719.40 × 2,112,852,463.30 - Step 4: Simplify right side
2,125,766,479.60x = 6,737,146,414,235,144,192 - Step 5: Solve for x
x = 6,737,146,414,235,144,192/2,125,766,479.60 - Step 6: Final answer
x = 3,169,278,694.95
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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.