Finding the Fourth Proportional to 944,784,833.20, 1,417,177,249.80 and 684,780,276.40
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Solution
The fourth proportional to 944,784,833.20, 1,417,177,249.80 and 684,780,276.40 is: 1,027,170,414.60
Step by Step Solution
- Step 1: Write the proportion equation
944,784,833.20 : 1,417,177,249.80 = 684,780,276.40 : x - Step 2: Convert to fraction form
944,784,833.20/1,417,177,249.80 = 684,780,276.40/x - Step 3: Cross multiply
944,784,833.20x = 1,417,177,249.80 × 684,780,276.40 - Step 4: Simplify right side
944,784,833.20x = 970,455,028,825,835,776 - Step 5: Solve for x
x = 970,455,028,825,835,776/944,784,833.20 - Step 6: Final answer
x = 1,027,170,414.60
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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.