Finding the Fourth Proportional to 608,999,497.61, 840,419,928.69 and 330,541,078.55
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Solution
The fourth proportional to 608,999,497.61, 840,419,928.69 and 330,541,078.55 is: 456,147,025.99
Step by Step Solution
- Step 1: Write the proportion equation
608,999,497.61 : 840,419,928.69 = 330,541,078.55 : x - Step 2: Convert to fraction form
608,999,497.61/840,419,928.69 = 330,541,078.55/x - Step 3: Cross multiply
608,999,497.61x = 840,419,928.69 × 330,541,078.55 - Step 4: Simplify right side
608,999,497.61x = 277,793,309,663,277,664 - Step 5: Solve for x
x = 277,793,309,663,277,664/608,999,497.61 - Step 6: Final answer
x = 456,147,025.99
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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.