Finding the Fourth Proportional to 253,320,740,900.68, 349,589,449,192.08 and 149,041,481,273.68
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Solution
The fourth proportional to 253,320,740,900.68, 349,589,449,192.08 and 149,041,481,273.68 is: 205,681,260,681.56
Step by Step Solution
- Step 1: Write the proportion equation
253,320,740,900.68 : 349,589,449,192.08 = 149,041,481,273.68 : x - Step 2: Convert to fraction form
253,320,740,900.68/349,589,449,192.08 = 149,041,481,273.68/x - Step 3: Cross multiply
253,320,740,900.68x = 349,589,449,192.08 × 149,041,481,273.68 - Step 4: Simplify right side
253,320,740,900.68x = 52,103,329,345,237,493,481,472 - Step 5: Solve for x
x = 52,103,329,345,237,493,481,472/253,320,740,900.68 - Step 6: Final answer
x = 205,681,260,681.56
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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.