Finding the Fourth Proportional to 545,748,232.80, 818,622,349.20 and 545,748,232.80
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Solution
The fourth proportional to 545,748,232.80, 818,622,349.20 and 545,748,232.80 is: 818,622,349.20
Step by Step Solution
- Step 1: Write the proportion equation
545,748,232.80 : 818,622,349.20 = 545,748,232.80 : x - Step 2: Convert to fraction form
545,748,232.80/818,622,349.20 = 545,748,232.80/x - Step 3: Cross multiply
545,748,232.80x = 818,622,349.20 × 545,748,232.80 - Step 4: Simplify right side
545,748,232.80x = 446,761,700,406,484,480 - Step 5: Solve for x
x = 446,761,700,406,484,480/545,748,232.80 - Step 6: Final answer
x = 818,622,349.20
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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.