Finding the Fourth Proportional to 3,462,198,439.68, 4,777,949,393.28 and 1,897,640,144.64
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Solution
The fourth proportional to 3,462,198,439.68, 4,777,949,393.28 and 1,897,640,144.64 is: 2,618,806,730.96
Step by Step Solution
- Step 1: Write the proportion equation
3,462,198,439.68 : 4,777,949,393.28 = 1,897,640,144.64 : x - Step 2: Convert to fraction form
3,462,198,439.68/4,777,949,393.28 = 1,897,640,144.64/x - Step 3: Cross multiply
3,462,198,439.68x = 4,777,949,393.28 × 1,897,640,144.64 - Step 4: Simplify right side
3,462,198,439.68x = 9,066,828,577,746,459,648 - Step 5: Solve for x
x = 9,066,828,577,746,459,648/3,462,198,439.68 - Step 6: Final answer
x = 2,618,806,730.96
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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.