Finding the Fourth Proportional to 995,598,035.70, 1,493,397,053.55 and 689,236,077.30
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Solution
The fourth proportional to 995,598,035.70, 1,493,397,053.55 and 689,236,077.30 is: 1,033,854,115.95
Step by Step Solution
- Step 1: Write the proportion equation
995,598,035.70 : 1,493,397,053.55 = 689,236,077.30 : x - Step 2: Convert to fraction form
995,598,035.70/1,493,397,053.55 = 689,236,077.30/x - Step 3: Cross multiply
995,598,035.70x = 1,493,397,053.55 × 689,236,077.30 - Step 4: Simplify right side
995,598,035.70x = 1,029,303,127,040,179,968 - Step 5: Solve for x
x = 1,029,303,127,040,179,968/995,598,035.70 - Step 6: Final answer
x = 1,033,854,115.95
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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.