Finding the Fourth Proportional to 1,457,306,684.36, 2,185,966,399.68 and 461,332,576.92
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Solution
The fourth proportional to 1,457,306,684.36, 2,185,966,399.68 and 461,332,576.92 is: 692,000,882.90
Step by Step Solution
- Step 1: Write the proportion equation
1,457,306,684.36 : 2,185,966,399.68 = 461,332,576.92 : x - Step 2: Convert to fraction form
1,457,306,684.36/2,185,966,399.68 = 461,332,576.92/x - Step 3: Cross multiply
1,457,306,684.36x = 2,185,966,399.68 × 461,332,576.92 - Step 4: Simplify right side
1,457,306,684.36x = 1,008,457,512,224,909,056 - Step 5: Solve for x
x = 1,008,457,512,224,909,056/1,457,306,684.36 - Step 6: Final answer
x = 692,000,882.90
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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.