Finding the Fourth Proportional to 708,589,136.70, 1,062,883,705.05 and 637,163,466.30
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Solution
The fourth proportional to 708,589,136.70, 1,062,883,705.05 and 637,163,466.30 is: 955,745,199.45
Step by Step Solution
- Step 1: Write the proportion equation
708,589,136.70 : 1,062,883,705.05 = 637,163,466.30 : x - Step 2: Convert to fraction form
708,589,136.70/1,062,883,705.05 = 637,163,466.30/x - Step 3: Cross multiply
708,589,136.70x = 1,062,883,705.05 × 637,163,466.30 - Step 4: Simplify right side
708,589,136.70x = 677,230,665,783,444,736 - Step 5: Solve for x
x = 677,230,665,783,444,736/708,589,136.70 - Step 6: Final answer
x = 955,745,199.45
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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.