Finding the Fourth Proportional to 8,107,348,686.80, 12,158,674,060.80 and 2,434,708,349.24
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Solution
The fourth proportional to 8,107,348,686.80, 12,158,674,060.80 and 2,434,708,349.24 is: 3,651,357,107.62
Step by Step Solution
- Step 1: Write the proportion equation
8,107,348,686.80 : 12,158,674,060.80 = 2,434,708,349.24 : x - Step 2: Convert to fraction form
8,107,348,686.80/12,158,674,060.80 = 2,434,708,349.24/x - Step 3: Cross multiply
8,107,348,686.80x = 12,158,674,060.80 × 2,434,708,349.24 - Step 4: Simplify right side
8,107,348,686.80x = 29,602,825,251,517,571,072 - Step 5: Solve for x
x = 29,602,825,251,517,571,072/8,107,348,686.80 - Step 6: Final answer
x = 3,651,357,107.62
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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.