Finding the Fourth Proportional to 5,245,167,930.63, 7,238,744,362.94 and 2,987,202,929.91
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Solution
The fourth proportional to 5,245,167,930.63, 7,238,744,362.94 and 2,987,202,929.91 is: 4,122,575,035.88
Step by Step Solution
- Step 1: Write the proportion equation
5,245,167,930.63 : 7,238,744,362.94 = 2,987,202,929.91 : x - Step 2: Convert to fraction form
5,245,167,930.63/7,238,744,362.94 = 2,987,202,929.91/x - Step 3: Cross multiply
5,245,167,930.63x = 7,238,744,362.94 × 2,987,202,929.91 - Step 4: Simplify right side
5,245,167,930.63x = 21,623,598,369,828,929,536 - Step 5: Solve for x
x = 21,623,598,369,828,929,536/5,245,167,930.63 - Step 6: Final answer
x = 4,122,575,035.88
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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.