Finding the Fourth Proportional to 724,135,901.70, 1,086,203,852.55 and 264,089,079.30
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Solution
The fourth proportional to 724,135,901.70, 1,086,203,852.55 and 264,089,079.30 is: 396,133,618.95
Step by Step Solution
- Step 1: Write the proportion equation
724,135,901.70 : 1,086,203,852.55 = 264,089,079.30 : x - Step 2: Convert to fraction form
724,135,901.70/1,086,203,852.55 = 264,089,079.30/x - Step 3: Cross multiply
724,135,901.70x = 1,086,203,852.55 × 264,089,079.30 - Step 4: Simplify right side
724,135,901.70x = 286,854,575,352,042,464 - Step 5: Solve for x
x = 286,854,575,352,042,464/724,135,901.70 - Step 6: Final answer
x = 396,133,618.95
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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.