Finding the Fourth Proportional to 2,122,364,468.48, 2,928,874,585.60 and 1,230,819,793.92
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Solution
The fourth proportional to 2,122,364,468.48, 2,928,874,585.60 and 1,230,819,793.92 is: 1,698,538,053.86
Step by Step Solution
- Step 1: Write the proportion equation
2,122,364,468.48 : 2,928,874,585.60 = 1,230,819,793.92 : x - Step 2: Convert to fraction form
2,122,364,468.48/2,928,874,585.60 = 1,230,819,793.92/x - Step 3: Cross multiply
2,122,364,468.48x = 2,928,874,585.60 × 1,230,819,793.92 - Step 4: Simplify right side
2,122,364,468.48x = 3,604,916,813,865,717,760 - Step 5: Solve for x
x = 3,604,916,813,865,717,760/2,122,364,468.48 - Step 6: Final answer
x = 1,698,538,053.86
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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.