Finding the Fourth Proportional to 251,742,645.68, 377,613,968.51 and 251,742,645.68
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Solution
The fourth proportional to 251,742,645.68, 377,613,968.51 and 251,742,645.68 is: 377,613,968.51
Step by Step Solution
- Step 1: Write the proportion equation
251,742,645.68 : 377,613,968.51 = 251,742,645.68 : x - Step 2: Convert to fraction form
251,742,645.68/377,613,968.51 = 251,742,645.68/x - Step 3: Cross multiply
251,742,645.68x = 377,613,968.51 × 251,742,645.68 - Step 4: Simplify right side
251,742,645.68x = 95,061,539,477,172,896 - Step 5: Solve for x
x = 95,061,539,477,172,896/251,742,645.68 - Step 6: Final answer
x = 377,613,968.51
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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.