Finding the Fourth Proportional to 3,841,357,102.81, 5,299,449,558.60 and 2,571,607,179.47
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Solution
The fourth proportional to 3,841,357,102.81, 5,299,449,558.60 and 2,571,607,179.47 is: 3,547,731,222.95
Step by Step Solution
- Step 1: Write the proportion equation
3,841,357,102.81 : 5,299,449,558.60 = 2,571,607,179.47 : x - Step 2: Convert to fraction form
3,841,357,102.81/5,299,449,558.60 = 2,571,607,179.47/x - Step 3: Cross multiply
3,841,357,102.81x = 5,299,449,558.60 × 2,571,607,179.47 - Step 4: Simplify right side
3,841,357,102.81x = 13,628,102,532,134,883,328 - Step 5: Solve for x
x = 13,628,102,532,134,883,328/3,841,357,102.81 - Step 6: Final answer
x = 3,547,731,222.95
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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.