Finding the Fourth Proportional to 1,172,859,623.80, 1,759,289,435.70 and 482,537,447.80
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Solution
The fourth proportional to 1,172,859,623.80, 1,759,289,435.70 and 482,537,447.80 is: 723,806,171.70
Step by Step Solution
- Step 1: Write the proportion equation
1,172,859,623.80 : 1,759,289,435.70 = 482,537,447.80 : x - Step 2: Convert to fraction form
1,172,859,623.80/1,759,289,435.70 = 482,537,447.80/x - Step 3: Cross multiply
1,172,859,623.80x = 1,759,289,435.70 × 482,537,447.80 - Step 4: Simplify right side
1,172,859,623.80x = 848,923,034,244,180,224 - Step 5: Solve for x
x = 848,923,034,244,180,224/1,172,859,623.80 - Step 6: Final answer
x = 723,806,171.70
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1.5x scale
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.