Finding the Fourth Proportional to 657,430,073.97, 985,912,504.03 and 190,994,457.34
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Solution
The fourth proportional to 657,430,073.97, 985,912,504.03 and 190,994,457.34 is: 286,424,109.80
Step by Step Solution
- Step 1: Write the proportion equation
657,430,073.97 : 985,912,504.03 = 190,994,457.34 : x - Step 2: Convert to fraction form
657,430,073.97/985,912,504.03 = 190,994,457.34/x - Step 3: Cross multiply
657,430,073.97x = 985,912,504.03 × 190,994,457.34 - Step 4: Simplify right side
657,430,073.97x = 188,303,823,691,930,400 - Step 5: Solve for x
x = 188,303,823,691,930,400/657,430,073.97 - Step 6: Final answer
x = 286,424,109.80
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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.