Finding the Fourth Proportional to 1,091,080,755.92, 1,637,266,817.08 and 401,472,266.96
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Solution
The fourth proportional to 1,091,080,755.92, 1,637,266,817.08 and 401,472,266.96 is: 602,445,984.96
Step by Step Solution
- Step 1: Write the proportion equation
1,091,080,755.92 : 1,637,266,817.08 = 401,472,266.96 : x - Step 2: Convert to fraction form
1,091,080,755.92/1,637,266,817.08 = 401,472,266.96/x - Step 3: Cross multiply
1,091,080,755.92x = 1,637,266,817.08 × 401,472,266.96 - Step 4: Simplify right side
1,091,080,755.92x = 657,317,220,671,491,200 - Step 5: Solve for x
x = 657,317,220,671,491,200/1,091,080,755.92 - Step 6: Final answer
x = 602,445,984.96
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Double scale
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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.