Finding the Fourth Proportional to 2,186,124,611.20, 3,279,186,916.80 and 1,975,248,822.40
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Solution
The fourth proportional to 2,186,124,611.20, 3,279,186,916.80 and 1,975,248,822.40 is: 2,962,873,233.60
Step by Step Solution
- Step 1: Write the proportion equation
2,186,124,611.20 : 3,279,186,916.80 = 1,975,248,822.40 : x - Step 2: Convert to fraction form
2,186,124,611.20/3,279,186,916.80 = 1,975,248,822.40/x - Step 3: Cross multiply
2,186,124,611.20x = 3,279,186,916.80 × 1,975,248,822.40 - Step 4: Simplify right side
2,186,124,611.20x = 6,477,210,095,838,687,232 - Step 5: Solve for x
x = 6,477,210,095,838,687,232/2,186,124,611.20 - Step 6: Final answer
x = 2,962,873,233.60
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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.