Finding the Fourth Proportional to 382,994,812.20, 574,853,024.70 and 201,372,335.40
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Solution
The fourth proportional to 382,994,812.20, 574,853,024.70 and 201,372,335.40 is: 302,248,209.14
Step by Step Solution
- Step 1: Write the proportion equation
382,994,812.20 : 574,853,024.70 = 201,372,335.40 : x - Step 2: Convert to fraction form
382,994,812.20/574,853,024.70 = 201,372,335.40/x - Step 3: Cross multiply
382,994,812.20x = 574,853,024.70 × 201,372,335.40 - Step 4: Simplify right side
382,994,812.20x = 115,759,496,095,592,896 - Step 5: Solve for x
x = 115,759,496,095,592,896/382,994,812.20 - Step 6: Final answer
x = 302,248,209.14
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.