Finding the Fourth Proportional to 2,017,912,812.68, 2,784,718,449.78 and 1,090,764,780.68
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Solution
The fourth proportional to 2,017,912,812.68, 2,784,718,449.78 and 1,090,764,780.68 is: 1,505,254,731.54
Step by Step Solution
- Step 1: Write the proportion equation
2,017,912,812.68 : 2,784,718,449.78 = 1,090,764,780.68 : x - Step 2: Convert to fraction form
2,017,912,812.68/2,784,718,449.78 = 1,090,764,780.68/x - Step 3: Cross multiply
2,017,912,812.68x = 2,784,718,449.78 × 1,090,764,780.68 - Step 4: Simplify right side
2,017,912,812.68x = 3,037,472,809,129,831,936 - Step 5: Solve for x
x = 3,037,472,809,129,831,936/2,017,912,812.68 - Step 6: Final answer
x = 1,505,254,731.54
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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.