Finding the Fourth Proportional to 348,055,250,040.51, 480,316,268,153.33 and 193,727,617,603.84
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Solution
The fourth proportional to 348,055,250,040.51, 480,316,268,153.33 and 193,727,617,603.84 is: 267,344,125,149.33
Step by Step Solution
- Step 1: Write the proportion equation
348,055,250,040.51 : 480,316,268,153.33 = 193,727,617,603.84 : x - Step 2: Convert to fraction form
348,055,250,040.51/480,316,268,153.33 = 193,727,617,603.84/x - Step 3: Cross multiply
348,055,250,040.51x = 480,316,268,153.33 × 193,727,617,603.84 - Step 4: Simplify right side
348,055,250,040.51x = 93,050,526,325,711,789,096,960 - Step 5: Solve for x
x = 93,050,526,325,711,789,096,960/348,055,250,040.51 - Step 6: Final answer
x = 267,344,125,149.33
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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.