Finding the Fourth Proportional to 684,706,157.04, 944,407,390.74 and 628,372,816.54
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Solution
The fourth proportional to 684,706,157.04, 944,407,390.74 and 628,372,816.54 is: 866,707,456.88
Step by Step Solution
- Step 1: Write the proportion equation
684,706,157.04 : 944,407,390.74 = 628,372,816.54 : x - Step 2: Convert to fraction form
684,706,157.04/944,407,390.74 = 628,372,816.54/x - Step 3: Cross multiply
684,706,157.04x = 944,407,390.74 × 628,372,816.54 - Step 4: Simplify right side
684,706,157.04x = 593,439,932,079,276,672 - Step 5: Solve for x
x = 593,439,932,079,276,672/684,706,157.04 - Step 6: Final answer
x = 866,707,456.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.