Finding the Fourth Proportional to 426,242,230.70, 639,083,410.05 and 167,301,430.70
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Solution
The fourth proportional to 426,242,230.70, 639,083,410.05 and 167,301,430.70 is: 250,842,270.28
Step by Step Solution
- Step 1: Write the proportion equation
426,242,230.70 : 639,083,410.05 = 167,301,430.70 : x - Step 2: Convert to fraction form
426,242,230.70/639,083,410.05 = 167,301,430.70/x - Step 3: Cross multiply
426,242,230.70x = 639,083,410.05 × 167,301,430.70 - Step 4: Simplify right side
426,242,230.70x = 106,919,568,837,999,744 - Step 5: Solve for x
x = 106,919,568,837,999,744/426,242,230.70 - Step 6: Final answer
x = 250,842,270.28
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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.