Finding the Fourth Proportional to 260,730,504,730.93, 391,140,313,330.64 and 107,491,626,588.08
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Solution
The fourth proportional to 260,730,504,730.93, 391,140,313,330.64 and 107,491,626,588.08 is: 161,255,809,125.48
Step by Step Solution
- Step 1: Write the proportion equation
260,730,504,730.93 : 391,140,313,330.64 = 107,491,626,588.08 : x - Step 2: Convert to fraction form
260,730,504,730.93/391,140,313,330.64 = 107,491,626,588.08/x - Step 3: Cross multiply
260,730,504,730.93x = 391,140,313,330.64 × 107,491,626,588.08 - Step 4: Simplify right side
260,730,504,730.93x = 42,044,308,504,081,768,382,464 - Step 5: Solve for x
x = 42,044,308,504,081,768,382,464/260,730,504,730.93 - Step 6: Final answer
x = 161,255,809,125.48
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1.5x scale
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.