Finding the Fourth Proportional to 8,783,781,620, 13,176,096,183.20 and 2,888,210,331.68
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Solution
The fourth proportional to 8,783,781,620, 13,176,096,183.20 and 2,888,210,331.68 is: 4,332,454,832.54
Step by Step Solution
- Step 1: Write the proportion equation
8,783,781,620 : 13,176,096,183.20 = 2,888,210,331.68 : x - Step 2: Convert to fraction form
8,783,781,620/13,176,096,183.20 = 2,888,210,331.68/x - Step 3: Cross multiply
8,783,781,620x = 13,176,096,183.20 × 2,888,210,331.68 - Step 4: Simplify right side
8,783,781,620x = 38,055,337,127,527,653,376 - Step 5: Solve for x
x = 38,055,337,127,527,653,376/8,783,781,620 - Step 6: Final answer
x = 4,332,454,832.54
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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.