Finding the Fourth Proportional to 1,959,748,212, 2,702,635,921.92 and 1,430,273,529.12
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Solution
The fourth proportional to 1,959,748,212, 2,702,635,921.92 and 1,430,273,529.12 is: 1,972,451,662.06
Step by Step Solution
- Step 1: Write the proportion equation
1,959,748,212 : 2,702,635,921.92 = 1,430,273,529.12 : x - Step 2: Convert to fraction form
1,959,748,212/2,702,635,921.92 = 1,430,273,529.12/x - Step 3: Cross multiply
1,959,748,212x = 2,702,635,921.92 × 1,430,273,529.12 - Step 4: Simplify right side
1,959,748,212x = 3,865,508,617,971,002,880 - Step 5: Solve for x
x = 3,865,508,617,971,002,880/1,959,748,212 - Step 6: Final answer
x = 1,972,451,662.06
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.