Finding the Fourth Proportional to 363,743,646.48, 545,247,742.68 and 156,617,133.84
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Solution
The fourth proportional to 363,743,646.48, 545,247,742.68 and 156,617,133.84 is: 234,767,368.50
Step by Step Solution
- Step 1: Write the proportion equation
363,743,646.48 : 545,247,742.68 = 156,617,133.84 : x - Step 2: Convert to fraction form
363,743,646.48/545,247,742.68 = 156,617,133.84/x - Step 3: Cross multiply
363,743,646.48x = 545,247,742.68 × 156,617,133.84 - Step 4: Simplify right side
363,743,646.48x = 85,395,138,691,271,440 - Step 5: Solve for x
x = 85,395,138,691,271,440/363,743,646.48 - Step 6: Final answer
x = 234,767,368.50
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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.