Finding the Fourth Proportional to 5,432,372,651.62, 8,140,242,057 and 3,655,160,632.09
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Solution
The fourth proportional to 5,432,372,651.62, 8,140,242,057 and 3,655,160,632.09 is: 5,477,144,925.53
Step by Step Solution
- Step 1: Write the proportion equation
5,432,372,651.62 : 8,140,242,057 = 3,655,160,632.09 : x - Step 2: Convert to fraction form
5,432,372,651.62/8,140,242,057 = 3,655,160,632.09/x - Step 3: Cross multiply
5,432,372,651.62x = 8,140,242,057 × 3,655,160,632.09 - Step 4: Simplify right side
5,432,372,651.62x = 29,753,892,302,429,724,672 - Step 5: Solve for x
x = 29,753,892,302,429,724,672/5,432,372,651.62 - Step 6: Final answer
x = 5,477,144,925.53
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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.