Finding the Fourth Proportional to 780,812,922.44, 1,171,178,134.00 and 256,112,908.99
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Solution
The fourth proportional to 780,812,922.44, 1,171,178,134.00 and 256,112,908.99 is: 384,155,833.26
Step by Step Solution
- Step 1: Write the proportion equation
780,812,922.44 : 1,171,178,134.00 = 256,112,908.99 : x - Step 2: Convert to fraction form
780,812,922.44/1,171,178,134.00 = 256,112,908.99/x - Step 3: Cross multiply
780,812,922.44x = 1,171,178,134.00 × 256,112,908.99 - Step 4: Simplify right side
780,812,922.44x = 299,953,838,840,651,776 - Step 5: Solve for x
x = 299,953,838,840,651,776/780,812,922.44 - Step 6: Final answer
x = 384,155,833.26
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.