Finding the Fourth Proportional to 1,170,032,949.40, 1,755,497,321.70 and 1,151,669,147.80
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Solution
The fourth proportional to 1,170,032,949.40, 1,755,497,321.70 and 1,151,669,147.80 is: 1,727,944,589.50
Step by Step Solution
- Step 1: Write the proportion equation
1,170,032,949.40 : 1,755,497,321.70 = 1,151,669,147.80 : x - Step 2: Convert to fraction form
1,170,032,949.40/1,755,497,321.70 = 1,151,669,147.80/x - Step 3: Cross multiply
1,170,032,949.40x = 1,755,497,321.70 × 1,151,669,147.80 - Step 4: Simplify right side
1,170,032,949.40x = 2,021,752,104,447,421,440 - Step 5: Solve for x
x = 2,021,752,104,447,421,440/1,170,032,949.40 - Step 6: Final answer
x = 1,727,944,589.50
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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.