Finding the Fourth Proportional to 995,266,228.26, 1,373,467,985.88 and 555,233,080.26
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Solution
The fourth proportional to 995,266,228.26, 1,373,467,985.88 and 555,233,080.26 is: 766,221,980.40
Step by Step Solution
- Step 1: Write the proportion equation
995,266,228.26 : 1,373,467,985.88 = 555,233,080.26 : x - Step 2: Convert to fraction form
995,266,228.26/1,373,467,985.88 = 555,233,080.26/x - Step 3: Cross multiply
995,266,228.26x = 1,373,467,985.88 × 555,233,080.26 - Step 4: Simplify right side
995,266,228.26x = 762,594,860,438,650,624 - Step 5: Solve for x
x = 762,594,860,438,650,624/995,266,228.26 - Step 6: Final answer
x = 766,221,980.40
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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.