Finding the Fourth Proportional to 262,440,557.79, 362,178,972.50 and 150,931,485.68
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Solution
The fourth proportional to 262,440,557.79, 362,178,972.50 and 150,931,485.68 is: 208,291,777.99
Step by Step Solution
- Step 1: Write the proportion equation
262,440,557.79 : 362,178,972.50 = 150,931,485.68 : x - Step 2: Convert to fraction form
262,440,557.79/362,178,972.50 = 150,931,485.68/x - Step 3: Cross multiply
262,440,557.79x = 362,178,972.50 × 150,931,485.68 - Step 4: Simplify right side
262,440,557.79x = 54,664,210,398,915,320 - Step 5: Solve for x
x = 54,664,210,398,915,320/262,440,557.79 - Step 6: Final answer
x = 208,291,777.99
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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.