Finding the Fourth Proportional to 577,368,116.70, 866,052,175.05 and 441,319,220.70
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Solution
The fourth proportional to 577,368,116.70, 866,052,175.05 and 441,319,220.70 is: 661,978,831.05
Step by Step Solution
- Step 1: Write the proportion equation
577,368,116.70 : 866,052,175.05 = 441,319,220.70 : x - Step 2: Convert to fraction form
577,368,116.70/866,052,175.05 = 441,319,220.70/x - Step 3: Cross multiply
577,368,116.70x = 866,052,175.05 × 441,319,220.70 - Step 4: Simplify right side
577,368,116.70x = 382,205,470,978,605,952 - Step 5: Solve for x
x = 382,205,470,978,605,952/577,368,116.70 - Step 6: Final answer
x = 661,978,831.05
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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.