Finding the Fourth Proportional to 883,889,953.55, 1,219,797,582.44 and 482,025,628.58
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Solution
The fourth proportional to 883,889,953.55, 1,219,797,582.44 and 482,025,628.58 is: 665,211,425.99
Step by Step Solution
- Step 1: Write the proportion equation
883,889,953.55 : 1,219,797,582.44 = 482,025,628.58 : x - Step 2: Convert to fraction form
883,889,953.55/1,219,797,582.44 = 482,025,628.58/x - Step 3: Cross multiply
883,889,953.55x = 1,219,797,582.44 × 482,025,628.58 - Step 4: Simplify right side
883,889,953.55x = 587,973,696,416,644,736 - Step 5: Solve for x
x = 587,973,696,416,644,736/883,889,953.55 - Step 6: Final answer
x = 665,211,425.99
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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.