Finding the Fourth Proportional to 562,412,031.80, 843,618,047.70 and 198,906,387.80
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Solution
The fourth proportional to 562,412,031.80, 843,618,047.70 and 198,906,387.80 is: 298,359,581.70
Step by Step Solution
- Step 1: Write the proportion equation
562,412,031.80 : 843,618,047.70 = 198,906,387.80 : x - Step 2: Convert to fraction form
562,412,031.80/843,618,047.70 = 198,906,387.80/x - Step 3: Cross multiply
562,412,031.80x = 843,618,047.70 × 198,906,387.80 - Step 4: Simplify right side
562,412,031.80x = 167,801,018,550,895,104 - Step 5: Solve for x
x = 167,801,018,550,895,104/562,412,031.80 - Step 6: Final answer
x = 298,359,581.70
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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.