Finding the Fourth Proportional to 754,487,579.56, 1,131,731,102.97 and 201,775,642.84
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Solution
The fourth proportional to 754,487,579.56, 1,131,731,102.97 and 201,775,642.84 is: 302,663,393.02
Step by Step Solution
- Step 1: Write the proportion equation
754,487,579.56 : 1,131,731,102.97 = 201,775,642.84 : x - Step 2: Convert to fraction form
754,487,579.56/1,131,731,102.97 = 201,775,642.84/x - Step 3: Cross multiply
754,487,579.56x = 1,131,731,102.97 × 201,775,642.84 - Step 4: Simplify right side
754,487,579.56x = 228,355,770,819,765,184 - Step 5: Solve for x
x = 228,355,770,819,765,184/754,487,579.56 - Step 6: Final answer
x = 302,663,393.02
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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.