Finding the Fourth Proportional to 2,135,631,685.95, 2,947,195,299.08 and 1,183,027,014.99
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Solution
The fourth proportional to 2,135,631,685.95, 2,947,195,299.08 and 1,183,027,014.99 is: 1,632,590,338.59
Step by Step Solution
- Step 1: Write the proportion equation
2,135,631,685.95 : 2,947,195,299.08 = 1,183,027,014.99 : x - Step 2: Convert to fraction form
2,135,631,685.95/2,947,195,299.08 = 1,183,027,014.99/x - Step 3: Cross multiply
2,135,631,685.95x = 2,947,195,299.08 × 1,183,027,014.99 - Step 4: Simplify right side
2,135,631,685.95x = 3,486,611,657,266,130,432 - Step 5: Solve for x
x = 3,486,611,657,266,130,432/2,135,631,685.95 - Step 6: Final answer
x = 1,632,590,338.59
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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.