Finding the Fourth Proportional to 492,060,937.30, 738,091,405.95 and 396,509,449.30
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Solution
The fourth proportional to 492,060,937.30, 738,091,405.95 and 396,509,449.30 is: 594,764,173.95
Step by Step Solution
- Step 1: Write the proportion equation
492,060,937.30 : 738,091,405.95 = 396,509,449.30 : x - Step 2: Convert to fraction form
492,060,937.30/738,091,405.95 = 396,509,449.30/x - Step 3: Cross multiply
492,060,937.30x = 738,091,405.95 × 396,509,449.30 - Step 4: Simplify right side
492,060,937.30x = 292,660,216,906,297,280 - Step 5: Solve for x
x = 292,660,216,906,297,280/492,060,937.30 - Step 6: Final answer
x = 594,764,173.95
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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.