Finding the Fourth Proportional to 262,238,819,352.36, 392,738,593,622.84 and 128,025,222,959.40
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Solution
The fourth proportional to 262,238,819,352.36, 392,738,593,622.84 and 128,025,222,959.40 is: 191,735,327,887.38
Step by Step Solution
- Step 1: Write the proportion equation
262,238,819,352.36 : 392,738,593,622.84 = 128,025,222,959.40 : x - Step 2: Convert to fraction form
262,238,819,352.36/392,738,593,622.84 = 128,025,222,959.40/x - Step 3: Cross multiply
262,238,819,352.36x = 392,738,593,622.84 × 128,025,222,959.40 - Step 4: Simplify right side
262,238,819,352.36x = 50,280,446,013,325,279,494,144 - Step 5: Solve for x
x = 50,280,446,013,325,279,494,144/262,238,819,352.36 - Step 6: Final answer
x = 191,735,327,887.38
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.