Finding the Fourth Proportional to 3,448,663,675.20, 5,172,995,512.80 and 1,997,475,451.20
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Solution
The fourth proportional to 3,448,663,675.20, 5,172,995,512.80 and 1,997,475,451.20 is: 2,996,213,176.80
Step by Step Solution
- Step 1: Write the proportion equation
3,448,663,675.20 : 5,172,995,512.80 = 1,997,475,451.20 : x - Step 2: Convert to fraction form
3,448,663,675.20/5,172,995,512.80 = 1,997,475,451.20/x - Step 3: Cross multiply
3,448,663,675.20x = 5,172,995,512.80 × 1,997,475,451.20 - Step 4: Simplify right side
3,448,663,675.20x = 10,332,931,545,985,755,136 - Step 5: Solve for x
x = 10,332,931,545,985,755,136/3,448,663,675.20 - Step 6: Final answer
x = 2,996,213,176.80
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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.