Finding the Fourth Proportional to 6,438,546,221.20, 9,657,819,331.80 and 2,298,124,819.60
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Solution
The fourth proportional to 6,438,546,221.20, 9,657,819,331.80 and 2,298,124,819.60 is: 3,447,187,229.40
Step by Step Solution
- Step 1: Write the proportion equation
6,438,546,221.20 : 9,657,819,331.80 = 2,298,124,819.60 : x - Step 2: Convert to fraction form
6,438,546,221.20/9,657,819,331.80 = 2,298,124,819.60/x - Step 3: Cross multiply
6,438,546,221.20x = 9,657,819,331.80 × 2,298,124,819.60 - Step 4: Simplify right side
6,438,546,221.20x = 22,194,874,309,622,263,808 - Step 5: Solve for x
x = 22,194,874,309,622,263,808/6,438,546,221.20 - Step 6: Final answer
x = 3,447,187,229.40
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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.