Finding the Fourth Proportional to 3,880,708,409,251.40, 5,355,018,212,684 and 2,146,480,640,145.30
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Solution
The fourth proportional to 3,880,708,409,251.40, 5,355,018,212,684 and 2,146,480,640,145.30 is: 2,961,944,498,007.00
Step by Step Solution
- Step 1: Write the proportion equation
3,880,708,409,251.40 : 5,355,018,212,684 = 2,146,480,640,145.30 : x - Step 2: Convert to fraction form
3,880,708,409,251.40/5,355,018,212,684 = 2,146,480,640,145.30/x - Step 3: Cross multiply
3,880,708,409,251.40x = 5,355,018,212,684 × 2,146,480,640,145.30 - Step 4: Simplify right side
3,880,708,409,251.40x = 11,494,442,921,151,692,531,564,544 - Step 5: Solve for x
x = 11,494,442,921,151,692,531,564,544/3,880,708,409,251.40 - Step 6: Final answer
x = 2,961,944,498,007.00
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.