Finding the Fourth Proportional to 1,136,267,265.47, 1,569,131,786.97 and 1,074,364,132.05
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Solution
The fourth proportional to 1,136,267,265.47, 1,569,131,786.97 and 1,074,364,132.05 is: 1,483,646,463.84
Step by Step Solution
- Step 1: Write the proportion equation
1,136,267,265.47 : 1,569,131,786.97 = 1,074,364,132.05 : x - Step 2: Convert to fraction form
1,136,267,265.47/1,569,131,786.97 = 1,074,364,132.05/x - Step 3: Cross multiply
1,136,267,265.47x = 1,569,131,786.97 × 1,074,364,132.05 - Step 4: Simplify right side
1,136,267,265.47x = 1,685,818,910,380,089,600 - Step 5: Solve for x
x = 1,685,818,910,380,089,600/1,136,267,265.47 - Step 6: Final answer
x = 1,483,646,463.84
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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.