Finding the Fourth Proportional to 1,587,330,326.99, 2,381,088,160.51 and 481,971,244.31
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Solution
The fourth proportional to 1,587,330,326.99, 2,381,088,160.51 and 481,971,244.31 is: 722,985,004.46
Step by Step Solution
- Step 1: Write the proportion equation
1,587,330,326.99 : 2,381,088,160.51 = 481,971,244.31 : x - Step 2: Convert to fraction form
1,587,330,326.99/2,381,088,160.51 = 481,971,244.31/x - Step 3: Cross multiply
1,587,330,326.99x = 2,381,088,160.51 × 481,971,244.31 - Step 4: Simplify right side
1,587,330,326.99x = 1,147,616,023,532,813,824 - Step 5: Solve for x
x = 1,147,616,023,532,813,824/1,587,330,326.99 - Step 6: Final answer
x = 722,985,004.46
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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.