Finding the Fourth Proportional to 744,788,311.99, 1,117,213,911.51 and 220,158,614.14
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Solution
The fourth proportional to 744,788,311.99, 1,117,213,911.51 and 220,158,614.14 is: 330,247,215.88
Step by Step Solution
- Step 1: Write the proportion equation
744,788,311.99 : 1,117,213,911.51 = 220,158,614.14 : x - Step 2: Convert to fraction form
744,788,311.99/1,117,213,911.51 = 220,158,614.14/x - Step 3: Cross multiply
744,788,311.99x = 1,117,213,911.51 × 220,158,614.14 - Step 4: Simplify right side
744,788,311.99x = 245,964,266,455,970,176 - Step 5: Solve for x
x = 245,964,266,455,970,176/744,788,311.99 - Step 6: Final answer
x = 330,247,215.88
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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.