Finding the Fourth Proportional to 768,282,169.86, 1,152,606,591 and 250,713,573.30
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Solution
The fourth proportional to 768,282,169.86, 1,152,606,591 and 250,713,573.30 is: 376,130,188.07
Step by Step Solution
- Step 1: Write the proportion equation
768,282,169.86 : 1,152,606,591 = 250,713,573.30 : x - Step 2: Convert to fraction form
768,282,169.86/1,152,606,591 = 250,713,573.30/x - Step 3: Cross multiply
768,282,169.86x = 1,152,606,591 × 250,713,573.30 - Step 4: Simplify right side
768,282,169.86x = 288,974,117,038,741,632 - Step 5: Solve for x
x = 288,974,117,038,741,632/768,282,169.86 - Step 6: Final answer
x = 376,130,188.07
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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.