Finding the Fourth Proportional to 628,191,204.48, 942,717,230.08 and 219,247,354.88
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Solution
The fourth proportional to 628,191,204.48, 942,717,230.08 and 219,247,354.88 is: 329,021,255.98
Step by Step Solution
- Step 1: Write the proportion equation
628,191,204.48 : 942,717,230.08 = 219,247,354.88 : x - Step 2: Convert to fraction form
628,191,204.48/942,717,230.08 = 219,247,354.88/x - Step 3: Cross multiply
628,191,204.48x = 942,717,230.08 × 219,247,354.88 - Step 4: Simplify right side
628,191,204.48x = 206,688,259,094,840,384 - Step 5: Solve for x
x = 206,688,259,094,840,384/628,191,204.48 - Step 6: Final answer
x = 329,021,255.98
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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.