Finding the Fourth Proportional to 3,845,869,690.70, 5,768,804,536.05 and 3,805,055,021.90
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Solution
The fourth proportional to 3,845,869,690.70, 5,768,804,536.05 and 3,805,055,021.90 is: 5,707,582,532.85
Step by Step Solution
- Step 1: Write the proportion equation
3,845,869,690.70 : 5,768,804,536.05 = 3,805,055,021.90 : x - Step 2: Convert to fraction form
3,845,869,690.70/5,768,804,536.05 = 3,805,055,021.90/x - Step 3: Cross multiply
3,845,869,690.70x = 5,768,804,536.05 × 3,805,055,021.90 - Step 4: Simplify right side
3,845,869,690.70x = 21,950,618,670,256,553,984 - Step 5: Solve for x
x = 21,950,618,670,256,553,984/3,845,869,690.70 - Step 6: Final answer
x = 5,707,582,532.85
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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.