Finding the Fourth Proportional to 755,811,995.88, 1,043,467,968.99 and 671,948,489.01
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Solution
The fourth proportional to 755,811,995.88, 1,043,467,968.99 and 671,948,489.01 is: 927,686,685.20
Step by Step Solution
- Step 1: Write the proportion equation
755,811,995.88 : 1,043,467,968.99 = 671,948,489.01 : x - Step 2: Convert to fraction form
755,811,995.88/1,043,467,968.99 = 671,948,489.01/x - Step 3: Cross multiply
755,811,995.88x = 1,043,467,968.99 × 671,948,489.01 - Step 4: Simplify right side
755,811,995.88x = 701,156,725,093,164,032 - Step 5: Solve for x
x = 701,156,725,093,164,032/755,811,995.88 - Step 6: Final answer
x = 927,686,685.20
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1.5x scale
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.