Finding the Fourth Proportional to 1,943,072,623.56, 2,914,617,405.24 and 615,107,160.84
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Solution
The fourth proportional to 1,943,072,623.56, 2,914,617,405.24 and 615,107,160.84 is: 922,663,422.53
Step by Step Solution
- Step 1: Write the proportion equation
1,943,072,623.56 : 2,914,617,405.24 = 615,107,160.84 : x - Step 2: Convert to fraction form
1,943,072,623.56/2,914,617,405.24 = 615,107,160.84/x - Step 3: Cross multiply
1,943,072,623.56x = 2,914,617,405.24 × 615,107,160.84 - Step 4: Simplify right side
1,943,072,623.56x = 1,792,802,037,072,024,064 - Step 5: Solve for x
x = 1,792,802,037,072,024,064/1,943,072,623.56 - Step 6: Final answer
x = 922,663,422.53
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.