Finding the Fourth Proportional to 5,342,112,134.40, 8,013,168,201.60 and 4,750,299,436.80
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Solution
The fourth proportional to 5,342,112,134.40, 8,013,168,201.60 and 4,750,299,436.80 is: 7,125,449,155.20
Step by Step Solution
- Step 1: Write the proportion equation
5,342,112,134.40 : 8,013,168,201.60 = 4,750,299,436.80 : x - Step 2: Convert to fraction form
5,342,112,134.40/8,013,168,201.60 = 4,750,299,436.80/x - Step 3: Cross multiply
5,342,112,134.40x = 8,013,168,201.60 × 4,750,299,436.80 - Step 4: Simplify right side
5,342,112,134.40x = 38,064,948,395,044,151,296 - Step 5: Solve for x
x = 38,064,948,395,044,151,296/5,342,112,134.40 - Step 6: Final answer
x = 7,125,449,155.20
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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.