Finding the Fourth Proportional to 2,545,259,794.54, 3,818,439,218.27 and 774,768,960.91
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Solution
The fourth proportional to 2,545,259,794.54, 3,818,439,218.27 and 774,768,960.91 is: 1,162,320,715.46
Step by Step Solution
- Step 1: Write the proportion equation
2,545,259,794.54 : 3,818,439,218.27 = 774,768,960.91 : x - Step 2: Convert to fraction form
2,545,259,794.54/3,818,439,218.27 = 774,768,960.91/x - Step 3: Cross multiply
2,545,259,794.54x = 3,818,439,218.27 × 774,768,960.91 - Step 4: Simplify right side
2,545,259,794.54x = 2,958,408,185,414,074,368 - Step 5: Solve for x
x = 2,958,408,185,414,074,368/2,545,259,794.54 - Step 6: Final answer
x = 1,162,320,715.46
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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.