Finding the Fourth Proportional to 3,393,124,656.40, 5,089,686,984.60 and 3,148,236,643.60
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Solution
The fourth proportional to 3,393,124,656.40, 5,089,686,984.60 and 3,148,236,643.60 is: 4,722,354,965.40
Step by Step Solution
- Step 1: Write the proportion equation
3,393,124,656.40 : 5,089,686,984.60 = 3,148,236,643.60 : x - Step 2: Convert to fraction form
3,393,124,656.40/5,089,686,984.60 = 3,148,236,643.60/x - Step 3: Cross multiply
3,393,124,656.40x = 5,089,686,984.60 × 3,148,236,643.60 - Step 4: Simplify right side
3,393,124,656.40x = 16,023,539,069,371,709,440 - Step 5: Solve for x
x = 16,023,539,069,371,709,440/3,393,124,656.40 - Step 6: Final answer
x = 4,722,354,965.40
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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.