Finding the Fourth Proportional to 2,427,438,353.46, 3,349,864,931.49 and 1,313,604,447.18
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Solution
The fourth proportional to 2,427,438,353.46, 3,349,864,931.49 and 1,313,604,447.18 is: 1,812,774,139.12
Step by Step Solution
- Step 1: Write the proportion equation
2,427,438,353.46 : 3,349,864,931.49 = 1,313,604,447.18 : x - Step 2: Convert to fraction form
2,427,438,353.46/3,349,864,931.49 = 1,313,604,447.18/x - Step 3: Cross multiply
2,427,438,353.46x = 3,349,864,931.49 × 1,313,604,447.18 - Step 4: Simplify right side
2,427,438,353.46x = 4,400,397,471,457,589,760 - Step 5: Solve for x
x = 4,400,397,471,457,589,760/2,427,438,353.46 - Step 6: Final answer
x = 1,812,774,139.12
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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.