Finding the Fourth Proportional to 258,073,497.60, 387,110,246.40 and 176,323,891.20
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Solution
The fourth proportional to 258,073,497.60, 387,110,246.40 and 176,323,891.20 is: 264,485,836.80
Step by Step Solution
- Step 1: Write the proportion equation
258,073,497.60 : 387,110,246.40 = 176,323,891.20 : x - Step 2: Convert to fraction form
258,073,497.60/387,110,246.40 = 176,323,891.20/x - Step 3: Cross multiply
258,073,497.60x = 387,110,246.40 × 176,323,891.20 - Step 4: Simplify right side
258,073,497.60x = 68,256,784,968,638,784 - Step 5: Solve for x
x = 68,256,784,968,638,784/258,073,497.60 - Step 6: Final answer
x = 264,485,836.80
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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.