Finding the Fourth Proportional to 2,427,005,969.28, 3,349,244,393.28 and 1,313,147,623.68
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Solution
The fourth proportional to 2,427,005,969.28, 3,349,244,393.28 and 1,313,147,623.68 is: 1,812,130,819.55
Step by Step Solution
- Step 1: Write the proportion equation
2,427,005,969.28 : 3,349,244,393.28 = 1,313,147,623.68 : x - Step 2: Convert to fraction form
2,427,005,969.28/3,349,244,393.28 = 1,313,147,623.68/x - Step 3: Cross multiply
2,427,005,969.28x = 3,349,244,393.28 × 1,313,147,623.68 - Step 4: Simplify right side
2,427,005,969.28x = 4,398,052,316,159,195,648 - Step 5: Solve for x
x = 4,398,052,316,159,195,648/2,427,005,969.28 - Step 6: Final answer
x = 1,812,130,819.55
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1.5x scale
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.