Finding the Fourth Proportional to 7,962,263,799.81, 10,988,187,950.35 and 4,345,485,573.17
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Solution
The fourth proportional to 7,962,263,799.81, 10,988,187,950.35 and 4,345,485,573.17 is: 5,996,914,120.66
Step by Step Solution
- Step 1: Write the proportion equation
7,962,263,799.81 : 10,988,187,950.35 = 4,345,485,573.17 : x - Step 2: Convert to fraction form
7,962,263,799.81/10,988,187,950.35 = 4,345,485,573.17/x - Step 3: Cross multiply
7,962,263,799.81x = 10,988,187,950.35 × 4,345,485,573.17 - Step 4: Simplify right side
7,962,263,799.81x = 47,749,012,213,472,722,944 - Step 5: Solve for x
x = 47,749,012,213,472,722,944/7,962,263,799.81 - Step 6: Final answer
x = 5,996,914,120.66
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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.