Finding the Fourth Proportional to 1,631,846,634.17, 2,448,247,475.41 and 526,430,225.21
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Solution
The fourth proportional to 1,631,846,634.17, 2,448,247,475.41 and 526,430,225.21 is: 789,799,386.08
Step by Step Solution
- Step 1: Write the proportion equation
1,631,846,634.17 : 2,448,247,475.41 = 526,430,225.21 : x - Step 2: Convert to fraction form
1,631,846,634.17/2,448,247,475.41 = 526,430,225.21/x - Step 3: Cross multiply
1,631,846,634.17x = 2,448,247,475.41 × 526,430,225.21 - Step 4: Simplify right side
1,631,846,634.17x = 1,288,831,469,836,342,784 - Step 5: Solve for x
x = 1,288,831,469,836,342,784/1,631,846,634.17 - Step 6: Final answer
x = 789,799,386.08
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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.