Finding the Fourth Proportional to 873,764,108.70, 1,310,646,163.05 and 530,898,495.90
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Solution
The fourth proportional to 873,764,108.70, 1,310,646,163.05 and 530,898,495.90 is: 796,347,743.85
Step by Step Solution
- Step 1: Write the proportion equation
873,764,108.70 : 1,310,646,163.05 = 530,898,495.90 : x - Step 2: Convert to fraction form
873,764,108.70/1,310,646,163.05 = 530,898,495.90/x - Step 3: Cross multiply
873,764,108.70x = 1,310,646,163.05 × 530,898,495.90 - Step 4: Simplify right side
873,764,108.70x = 695,820,076,620,351,104 - Step 5: Solve for x
x = 695,820,076,620,351,104/873,764,108.70 - Step 6: Final answer
x = 796,347,743.85
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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.