Finding the Fourth Proportional to 3,251,456,142.84, 4,486,649,621.94 and 1,802,995,576.70
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Solution
The fourth proportional to 3,251,456,142.84, 4,486,649,621.94 and 1,802,995,576.70 is: 2,487,934,349.15
Step by Step Solution
- Step 1: Write the proportion equation
3,251,456,142.84 : 4,486,649,621.94 = 1,802,995,576.70 : x - Step 2: Convert to fraction form
3,251,456,142.84/4,486,649,621.94 = 1,802,995,576.70/x - Step 3: Cross multiply
3,251,456,142.84x = 4,486,649,621.94 × 1,802,995,576.70 - Step 4: Simplify right side
3,251,456,142.84x = 8,089,409,422,538,113,024 - Step 5: Solve for x
x = 8,089,409,422,538,113,024/3,251,456,142.84 - Step 6: Final answer
x = 2,487,934,349.15
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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.