Finding the Fourth Proportional to 616,826,601.90, 925,304,772.99 and 180,128,512.26
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Solution
The fourth proportional to 616,826,601.90, 925,304,772.99 and 180,128,512.26 is: 270,211,712.06
Step by Step Solution
- Step 1: Write the proportion equation
616,826,601.90 : 925,304,772.99 = 180,128,512.26 : x - Step 2: Convert to fraction form
616,826,601.90/925,304,772.99 = 180,128,512.26/x - Step 3: Cross multiply
616,826,601.90x = 925,304,772.99 × 180,128,512.26 - Step 4: Simplify right side
616,826,601.90x = 166,673,772,145,765,728 - Step 5: Solve for x
x = 166,673,772,145,765,728/616,826,601.90 - Step 6: Final answer
x = 270,211,712.06
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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.