Finding the Fourth Proportional to 322,998,764,558.80, 484,498,146,838.20 and 217,207,143,029.20
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Solution
The fourth proportional to 322,998,764,558.80, 484,498,146,838.20 and 217,207,143,029.20 is: 325,810,714,543.80
Step by Step Solution
- Step 1: Write the proportion equation
322,998,764,558.80 : 484,498,146,838.20 = 217,207,143,029.20 : x - Step 2: Convert to fraction form
322,998,764,558.80/484,498,146,838.20 = 217,207,143,029.20/x - Step 3: Cross multiply
322,998,764,558.80x = 484,498,146,838.20 × 217,207,143,029.20 - Step 4: Simplify right side
322,998,764,558.80x = 105,236,458,277,667,254,304,768 - Step 5: Solve for x
x = 105,236,458,277,667,254,304,768/322,998,764,558.80 - Step 6: Final answer
x = 325,810,714,543.80
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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.