Finding the Fourth Proportional to 348,055,250,042.65, 480,316,268,156.31 and 193,727,617,605.99
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Solution
The fourth proportional to 348,055,250,042.65, 480,316,268,156.31 and 193,727,617,605.99 is: 267,344,125,152.31
Step by Step Solution
- Step 1: Write the proportion equation
348,055,250,042.65 : 480,316,268,156.31 = 193,727,617,605.99 : x - Step 2: Convert to fraction form
348,055,250,042.65/480,316,268,156.31 = 193,727,617,605.99/x - Step 3: Cross multiply
348,055,250,042.65x = 480,316,268,156.31 × 193,727,617,605.99 - Step 4: Simplify right side
348,055,250,042.65x = 93,050,526,327,321,764,298,752 - Step 5: Solve for x
x = 93,050,526,327,321,764,298,752/348,055,250,042.65 - Step 6: Final answer
x = 267,344,125,152.31
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1.5x scale
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.