Finding the Fourth Proportional to 4,318,288,331.46, 6,479,822,652.78 and 2,107,516,357.80
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Solution
The fourth proportional to 4,318,288,331.46, 6,479,822,652.78 and 2,107,516,357.80 is: 3,162,441,038.71
Step by Step Solution
- Step 1: Write the proportion equation
4,318,288,331.46 : 6,479,822,652.78 = 2,107,516,357.80 : x - Step 2: Convert to fraction form
4,318,288,331.46/6,479,822,652.78 = 2,107,516,357.80/x - Step 3: Cross multiply
4,318,288,331.46x = 6,479,822,652.78 × 2,107,516,357.80 - Step 4: Simplify right side
4,318,288,331.46x = 13,656,332,236,376,838,144 - Step 5: Solve for x
x = 13,656,332,236,376,838,144/4,318,288,331.46 - Step 6: Final answer
x = 3,162,441,038.71
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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.