Finding the Fourth Proportional to 4,087,775,122.47, 5,642,179,256.48 and 2,662,398,140.17
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Solution
The fourth proportional to 4,087,775,122.47, 5,642,179,256.48 and 2,662,398,140.17 is: 3,674,793,037.50
Step by Step Solution
- Step 1: Write the proportion equation
4,087,775,122.47 : 5,642,179,256.48 = 2,662,398,140.17 : x - Step 2: Convert to fraction form
4,087,775,122.47/5,642,179,256.48 = 2,662,398,140.17/x - Step 3: Cross multiply
4,087,775,122.47x = 5,642,179,256.48 × 2,662,398,140.17 - Step 4: Simplify right side
4,087,775,122.47x = 15,021,727,558,926,409,728 - Step 5: Solve for x
x = 15,021,727,558,926,409,728/4,087,775,122.47 - Step 6: Final answer
x = 3,674,793,037.50
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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.