Finding the Fourth Proportional to 28,982,995,485.68, 43,467,312,869.76 and 12,418,891,232.24
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Solution
The fourth proportional to 28,982,995,485.68, 43,467,312,869.76 and 12,418,891,232.24 is: 18,625,260,144.49
Step by Step Solution
- Step 1: Write the proportion equation
28,982,995,485.68 : 43,467,312,869.76 = 12,418,891,232.24 : x - Step 2: Convert to fraction form
28,982,995,485.68/43,467,312,869.76 = 12,418,891,232.24/x - Step 3: Cross multiply
28,982,995,485.68x = 43,467,312,869.76 × 12,418,891,232.24 - Step 4: Simplify right side
28,982,995,485.68x = 539,815,830,687,295,406,080 - Step 5: Solve for x
x = 539,815,830,687,295,406,080/28,982,995,485.68 - Step 6: Final answer
x = 18,625,260,144.49
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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.