Finding the Fourth Proportional to 10,081,926,494.70, 15,122,889,742.05 and 5,432,880,626.70
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Solution
The fourth proportional to 10,081,926,494.70, 15,122,889,742.05 and 5,432,880,626.70 is: 8,149,320,940.05
Step by Step Solution
- Step 1: Write the proportion equation
10,081,926,494.70 : 15,122,889,742.05 = 5,432,880,626.70 : x - Step 2: Convert to fraction form
10,081,926,494.70/15,122,889,742.05 = 5,432,880,626.70/x - Step 3: Cross multiply
10,081,926,494.70x = 15,122,889,742.05 × 5,432,880,626.70 - Step 4: Simplify right side
10,081,926,494.70x = 82,160,854,699,303,600,128 - Step 5: Solve for x
x = 82,160,854,699,303,600,128/10,081,926,494.70 - Step 6: Final answer
x = 8,149,320,940.05
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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.