Finding the Fourth Proportional to 7,311,403,440.75, 10,089,736,748.24 and 4,182,278,832.75
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Solution
The fourth proportional to 7,311,403,440.75, 10,089,736,748.24 and 4,182,278,832.75 is: 5,771,544,789.20
Step by Step Solution
- Step 1: Write the proportion equation
7,311,403,440.75 : 10,089,736,748.24 = 4,182,278,832.75 : x - Step 2: Convert to fraction form
7,311,403,440.75/10,089,736,748.24 = 4,182,278,832.75/x - Step 3: Cross multiply
7,311,403,440.75x = 10,089,736,748.24 × 4,182,278,832.75 - Step 4: Simplify right side
7,311,403,440.75x = 42,198,092,430,163,058,688 - Step 5: Solve for x
x = 42,198,092,430,163,058,688/7,311,403,440.75 - Step 6: Final answer
x = 5,771,544,789.20
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.