Finding the Fourth Proportional to 3,457,817,517.76, 4,771,789,771.03 and 1,871,909,476.01
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Solution
The fourth proportional to 3,457,817,517.76, 4,771,789,771.03 and 1,871,909,476.01 is: 2,583,235,941.17
Step by Step Solution
- Step 1: Write the proportion equation
3,457,817,517.76 : 4,771,789,771.03 = 1,871,909,476.01 : x - Step 2: Convert to fraction form
3,457,817,517.76/4,771,789,771.03 = 1,871,909,476.01/x - Step 3: Cross multiply
3,457,817,517.76x = 4,771,789,771.03 × 1,871,909,476.01 - Step 4: Simplify right side
3,457,817,517.76x = 8,932,358,489,894,401,024 - Step 5: Solve for x
x = 8,932,358,489,894,401,024/3,457,817,517.76 - Step 6: Final answer
x = 2,583,235,941.17
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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.