Finding the Fourth Proportional to 5,354,858,867.20, 8,032,288,300.80 and 3,722,272,115.20
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Solution
The fourth proportional to 5,354,858,867.20, 8,032,288,300.80 and 3,722,272,115.20 is: 5,583,408,172.80
Step by Step Solution
- Step 1: Write the proportion equation
5,354,858,867.20 : 8,032,288,300.80 = 3,722,272,115.20 : x - Step 2: Convert to fraction form
5,354,858,867.20/8,032,288,300.80 = 3,722,272,115.20/x - Step 3: Cross multiply
5,354,858,867.20x = 8,032,288,300.80 × 3,722,272,115.20 - Step 4: Simplify right side
5,354,858,867.20x = 29,898,362,763,315,027,968 - Step 5: Solve for x
x = 29,898,362,763,315,027,968/5,354,858,867.20 - Step 6: Final answer
x = 5,583,408,172.80
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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.