Finding the Fourth Proportional to 314,928,474.80, 439,879,498 and 314,928,474.80
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Solution
The fourth proportional to 314,928,474.80, 439,879,498 and 314,928,474.80 is: 439,879,498
Step by Step Solution
- Step 1: Write the proportion equation
314,928,474.80 : 439,879,498 = 314,928,474.80 : x - Step 2: Convert to fraction form
314,928,474.80/439,879,498 = 314,928,474.80/x - Step 3: Cross multiply
314,928,474.80x = 439,879,498 × 314,928,474.80 - Step 4: Simplify right side
314,928,474.80x = 138,530,579,400,929,648 - Step 5: Solve for x
x = 138,530,579,400,929,648/314,928,474.80 - Step 6: Final answer
x = 439,879,498
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.