Finding the Fourth Proportional to 954,112,028.40, 1,431,168,042.60 and 845,272,911.60
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Solution
The fourth proportional to 954,112,028.40, 1,431,168,042.60 and 845,272,911.60 is: 1,267,909,367.40
Step by Step Solution
- Step 1: Write the proportion equation
954,112,028.40 : 1,431,168,042.60 = 845,272,911.60 : x - Step 2: Convert to fraction form
954,112,028.40/1,431,168,042.60 = 845,272,911.60/x - Step 3: Cross multiply
954,112,028.40x = 1,431,168,042.60 × 845,272,911.60 - Step 4: Simplify right side
954,112,028.40x = 1,209,727,578,357,374,720 - Step 5: Solve for x
x = 1,209,727,578,357,374,720/954,112,028.40 - Step 6: Final answer
x = 1,267,909,367.40
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Double scale
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Similar ratio
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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.