Finding the Fourth Proportional to 706,638,627.91, 1,059,467,092.38 and 312,950,924.09
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Solution
The fourth proportional to 706,638,627.91, 1,059,467,092.38 and 312,950,924.09 is: 469,209,002.32
Step by Step Solution
- Step 1: Write the proportion equation
706,638,627.91 : 1,059,467,092.38 = 312,950,924.09 : x - Step 2: Convert to fraction form
706,638,627.91/1,059,467,092.38 = 312,950,924.09/x - Step 3: Cross multiply
706,638,627.91x = 1,059,467,092.38 × 312,950,924.09 - Step 4: Simplify right side
706,638,627.91x = 331,561,205,601,942,080 - Step 5: Solve for x
x = 331,561,205,601,942,080/706,638,627.91 - Step 6: Final answer
x = 469,209,002.32
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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.