Finding the Fourth Proportional to 794,542,840.80, 1,191,800,350.80 and 357,534,232.80
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Solution
The fourth proportional to 794,542,840.80, 1,191,800,350.80 and 357,534,232.80 is: 536,295,089.70
Step by Step Solution
- Step 1: Write the proportion equation
794,542,840.80 : 1,191,800,350.80 = 357,534,232.80 : x - Step 2: Convert to fraction form
794,542,840.80/1,191,800,350.80 = 357,534,232.80/x - Step 3: Cross multiply
794,542,840.80x = 1,191,800,350.80 × 357,534,232.80 - Step 4: Simplify right side
794,542,840.80x = 426,109,424,074,048,832 - Step 5: Solve for x
x = 426,109,424,074,048,832/794,542,840.80 - Step 6: Final answer
x = 536,295,089.70
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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.