Finding the Fourth Proportional to 2,876,180,409.99, 3,971,870,197.11 and 2,719,488,094.29
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Solution
The fourth proportional to 2,876,180,409.99, 3,971,870,197.11 and 2,719,488,094.29 is: 3,755,485,461.06
Step by Step Solution
- Step 1: Write the proportion equation
2,876,180,409.99 : 3,971,870,197.11 = 2,719,488,094.29 : x - Step 2: Convert to fraction form
2,876,180,409.99/3,971,870,197.11 = 2,719,488,094.29/x - Step 3: Cross multiply
2,876,180,409.99x = 3,971,870,197.11 × 2,719,488,094.29 - Step 4: Simplify right side
2,876,180,409.99x = 10,801,453,713,105,920,000 - Step 5: Solve for x
x = 10,801,453,713,105,920,000/2,876,180,409.99 - Step 6: Final answer
x = 3,755,485,461.06
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.