Finding the Fourth Proportional to 509,964,108.90, 764,946,163.35 and 164,952,611.70
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Solution
The fourth proportional to 509,964,108.90, 764,946,163.35 and 164,952,611.70 is: 247,428,917.55
Step by Step Solution
- Step 1: Write the proportion equation
509,964,108.90 : 764,946,163.35 = 164,952,611.70 : x - Step 2: Convert to fraction form
509,964,108.90/764,946,163.35 = 164,952,611.70/x - Step 3: Cross multiply
509,964,108.90x = 764,946,163.35 × 164,952,611.70 - Step 4: Simplify right side
509,964,108.90x = 126,179,867,454,477,312 - Step 5: Solve for x
x = 126,179,867,454,477,312/509,964,108.90 - Step 6: Final answer
x = 247,428,917.55
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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.