Finding the Fourth Proportional to 627,370,023.24, 940,855,381.20 and 207,113,145.66
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Solution
The fourth proportional to 627,370,023.24, 940,855,381.20 and 207,113,145.66 is: 310,603,806.99
Step by Step Solution
- Step 1: Write the proportion equation
627,370,023.24 : 940,855,381.20 = 207,113,145.66 : x - Step 2: Convert to fraction form
627,370,023.24/940,855,381.20 = 207,113,145.66/x - Step 3: Cross multiply
627,370,023.24x = 940,855,381.20 × 207,113,145.66 - Step 4: Simplify right side
627,370,023.24x = 194,863,517,611,470,432 - Step 5: Solve for x
x = 194,863,517,611,470,432/627,370,023.24 - Step 6: Final answer
x = 310,603,806.99
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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.