Finding the Fourth Proportional to 936,370,186.26, 1,291,155,559.24 and 596,740,911.96
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Solution
The fourth proportional to 936,370,186.26, 1,291,155,559.24 and 596,740,911.96 is: 822,842,671.85
Step by Step Solution
- Step 1: Write the proportion equation
936,370,186.26 : 1,291,155,559.24 = 596,740,911.96 : x - Step 2: Convert to fraction form
936,370,186.26/1,291,155,559.24 = 596,740,911.96/x - Step 3: Cross multiply
936,370,186.26x = 1,291,155,559.24 × 596,740,911.96 - Step 4: Simplify right side
936,370,186.26x = 770,485,345,903,101,440 - Step 5: Solve for x
x = 770,485,345,903,101,440/936,370,186.26 - Step 6: Final answer
x = 822,842,671.85
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Double scale
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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.