Finding the Fourth Proportional to 1,279,476,163.60, 1,919,214,245.40 and 1,072,851,902.80
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Solution
The fourth proportional to 1,279,476,163.60, 1,919,214,245.40 and 1,072,851,902.80 is: 1,609,277,854.20
Step by Step Solution
- Step 1: Write the proportion equation
1,279,476,163.60 : 1,919,214,245.40 = 1,072,851,902.80 : x - Step 2: Convert to fraction form
1,279,476,163.60/1,919,214,245.40 = 1,072,851,902.80/x - Step 3: Cross multiply
1,279,476,163.60x = 1,919,214,245.40 × 1,072,851,902.80 - Step 4: Simplify right side
1,279,476,163.60x = 2,059,032,655,058,256,128 - Step 5: Solve for x
x = 2,059,032,655,058,256,128/1,279,476,163.60 - Step 6: Final answer
x = 1,609,277,854.20
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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.