Finding the Fourth Proportional to 673,558,935.41, 1,010,374,621.05 and 213,532,976.99
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Solution
The fourth proportional to 673,558,935.41, 1,010,374,621.05 and 213,532,976.99 is: 320,310,947.37
Step by Step Solution
- Step 1: Write the proportion equation
673,558,935.41 : 1,010,374,621.05 = 213,532,976.99 : x - Step 2: Convert to fraction form
673,558,935.41/1,010,374,621.05 = 213,532,976.99/x - Step 3: Cross multiply
673,558,935.41x = 1,010,374,621.05 × 213,532,976.99 - Step 4: Simplify right side
673,558,935.41x = 215,748,300,707,949,632 - Step 5: Solve for x
x = 215,748,300,707,949,632/673,558,935.41 - Step 6: Final answer
x = 320,310,947.37
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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.