Finding the Fourth Proportional to 8,891,142,716.18, 12,272,524,407.51 and 5,719,326,628.42
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Solution
The fourth proportional to 8,891,142,716.18, 12,272,524,407.51 and 5,719,326,628.42 is: 7,894,438,080.96
Step by Step Solution
- Step 1: Write the proportion equation
8,891,142,716.18 : 12,272,524,407.51 = 5,719,326,628.42 : x - Step 2: Convert to fraction form
8,891,142,716.18/12,272,524,407.51 = 5,719,326,628.42/x - Step 3: Cross multiply
8,891,142,716.18x = 12,272,524,407.51 × 5,719,326,628.42 - Step 4: Simplify right side
8,891,142,716.18x = 70,190,575,641,799,401,472 - Step 5: Solve for x
x = 70,190,575,641,799,401,472/8,891,142,716.18 - Step 6: Final answer
x = 7,894,438,080.96
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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.