Finding the Fourth Proportional to 439,530,977.92, 606,553,135.68 and 263,421,266.56
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Solution
The fourth proportional to 439,530,977.92, 606,553,135.68 and 263,421,266.56 is: 363,521,579.28
Step by Step Solution
- Step 1: Write the proportion equation
439,530,977.92 : 606,553,135.68 = 263,421,266.56 : x - Step 2: Convert to fraction form
439,530,977.92/606,553,135.68 = 263,421,266.56/x - Step 3: Cross multiply
439,530,977.92x = 606,553,135.68 × 263,421,266.56 - Step 4: Simplify right side
439,530,977.92x = 159,778,995,236,765,120 - Step 5: Solve for x
x = 159,778,995,236,765,120/439,530,977.92 - Step 6: Final answer
x = 363,521,579.28
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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.