Finding the Fourth Proportional to 949,968,309.70, 1,424,952,464.55 and 567,762,357.70
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Solution
The fourth proportional to 949,968,309.70, 1,424,952,464.55 and 567,762,357.70 is: 851,643,536.55
Step by Step Solution
- Step 1: Write the proportion equation
949,968,309.70 : 1,424,952,464.55 = 567,762,357.70 : x - Step 2: Convert to fraction form
949,968,309.70/1,424,952,464.55 = 567,762,357.70/x - Step 3: Cross multiply
949,968,309.70x = 1,424,952,464.55 × 567,762,357.70 - Step 4: Simplify right side
949,968,309.70x = 809,034,370,883,333,760 - Step 5: Solve for x
x = 809,034,370,883,333,760/949,968,309.70 - Step 6: Final answer
x = 851,643,536.55
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Double scale
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Similar ratio
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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.