Finding the Fourth Proportional to 677,414,107.41, 933,089,686.72 and 478,834,202.58
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Solution
The fourth proportional to 677,414,107.41, 933,089,686.72 and 478,834,202.58 is: 659,560,010.91
Step by Step Solution
- Step 1: Write the proportion equation
677,414,107.41 : 933,089,686.72 = 478,834,202.58 : x - Step 2: Convert to fraction form
677,414,107.41/933,089,686.72 = 478,834,202.58/x - Step 3: Cross multiply
677,414,107.41x = 933,089,686.72 × 478,834,202.58 - Step 4: Simplify right side
677,414,107.41x = 446,795,256,076,193,216 - Step 5: Solve for x
x = 446,795,256,076,193,216/677,414,107.41 - Step 6: Final answer
x = 659,560,010.91
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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.