Finding the Fourth Proportional to 615,296,475.60, 922,944,713.40 and 593,797,390.80
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Solution
The fourth proportional to 615,296,475.60, 922,944,713.40 and 593,797,390.80 is: 890,696,086.20
Step by Step Solution
- Step 1: Write the proportion equation
615,296,475.60 : 922,944,713.40 = 593,797,390.80 : x - Step 2: Convert to fraction form
615,296,475.60/922,944,713.40 = 593,797,390.80/x - Step 3: Cross multiply
615,296,475.60x = 922,944,713.40 × 593,797,390.80 - Step 4: Simplify right side
615,296,475.60x = 548,042,162,669,573,760 - Step 5: Solve for x
x = 548,042,162,669,573,760/615,296,475.60 - Step 6: Final answer
x = 890,696,086.20
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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.