Finding the Fourth Proportional to 55,259,072,866.12, 76,257,748,756.74 and 29,884,543,662.28
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Solution
The fourth proportional to 55,259,072,866.12, 76,257,748,756.74 and 29,884,543,662.28 is: 41,240,793,667.12
Step by Step Solution
- Step 1: Write the proportion equation
55,259,072,866.12 : 76,257,748,756.74 = 29,884,543,662.28 : x - Step 2: Convert to fraction form
55,259,072,866.12/76,257,748,756.74 = 29,884,543,662.28/x - Step 3: Cross multiply
55,259,072,866.12x = 76,257,748,756.74 × 29,884,543,662.28 - Step 4: Simplify right side
55,259,072,866.12x = 2,278,928,022,307,974,938,624 - Step 5: Solve for x
x = 2,278,928,022,307,974,938,624/55,259,072,866.12 - Step 6: Final answer
x = 41,240,793,667.12
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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.