Finding the Fourth Proportional to 3,412,748,558.97, 5,119,122,838.46 and 959,085,461.97
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Solution
The fourth proportional to 3,412,748,558.97, 5,119,122,838.46 and 959,085,461.97 is: 1,438,628,192.96
Step by Step Solution
- Step 1: Write the proportion equation
3,412,748,558.97 : 5,119,122,838.46 = 959,085,461.97 : x - Step 2: Convert to fraction form
3,412,748,558.97/5,119,122,838.46 = 959,085,461.97/x - Step 3: Cross multiply
3,412,748,558.97x = 5,119,122,838.46 × 959,085,461.97 - Step 4: Simplify right side
3,412,748,558.97x = 4,909,676,292,405,586,944 - Step 5: Solve for x
x = 4,909,676,292,405,586,944/3,412,748,558.97 - Step 6: Final answer
x = 1,438,628,192.96
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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.