Finding the Fourth Proportional to 9,419,327,998.80, 14,128,991,998.20 and 2,875,376,101.20
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Solution
The fourth proportional to 9,419,327,998.80, 14,128,991,998.20 and 2,875,376,101.20 is: 4,313,064,151.80
Step by Step Solution
- Step 1: Write the proportion equation
9,419,327,998.80 : 14,128,991,998.20 = 2,875,376,101.20 : x - Step 2: Convert to fraction form
9,419,327,998.80/14,128,991,998.20 = 2,875,376,101.20/x - Step 3: Cross multiply
9,419,327,998.80x = 14,128,991,998.20 × 2,875,376,101.20 - Step 4: Simplify right side
9,419,327,998.80x = 40,626,165,925,670,313,984 - Step 5: Solve for x
x = 40,626,165,925,670,313,984/9,419,327,998.80 - Step 6: Final answer
x = 4,313,064,151.80
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1.5x scale
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.