Finding the Fourth Proportional to 807,671,461.48, 1,114,586,618.98 and 436,393,492.84
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Solution
The fourth proportional to 807,671,461.48, 1,114,586,618.98 and 436,393,492.84 is: 602,223,021.27
Step by Step Solution
- Step 1: Write the proportion equation
807,671,461.48 : 1,114,586,618.98 = 436,393,492.84 : x - Step 2: Convert to fraction form
807,671,461.48/1,114,586,618.98 = 436,393,492.84/x - Step 3: Cross multiply
807,671,461.48x = 1,114,586,618.98 × 436,393,492.84 - Step 4: Simplify right side
807,671,461.48x = 486,398,347,729,408,448 - Step 5: Solve for x
x = 486,398,347,729,408,448/807,671,461.48 - Step 6: Final answer
x = 602,223,021.27
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.