Finding the Fourth Proportional to 363,743,633.98, 545,247,723.93 and 156,617,121.34
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Solution
The fourth proportional to 363,743,633.98, 545,247,723.93 and 156,617,121.34 is: 234,767,349.75
Step by Step Solution
- Step 1: Write the proportion equation
363,743,633.98 : 545,247,723.93 = 156,617,121.34 : x - Step 2: Convert to fraction form
363,743,633.98/545,247,723.93 = 156,617,121.34/x - Step 3: Cross multiply
363,743,633.98x = 545,247,723.93 × 156,617,121.34 - Step 4: Simplify right side
363,743,633.98x = 85,395,128,939,103,632 - Step 5: Solve for x
x = 85,395,128,939,103,632/363,743,633.98 - Step 6: Final answer
x = 234,767,349.75
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.