Finding the Fourth Proportional to 8,219,555,220.81, 11,342,986,205.40 and 4,460,365,788.45
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Solution
The fourth proportional to 8,219,555,220.81, 11,342,986,205.40 and 4,460,365,788.45 is: 6,155,304,788.43
Step by Step Solution
- Step 1: Write the proportion equation
8,219,555,220.81 : 11,342,986,205.40 = 4,460,365,788.45 : x - Step 2: Convert to fraction form
8,219,555,220.81/11,342,986,205.40 = 4,460,365,788.45/x - Step 3: Cross multiply
8,219,555,220.81x = 11,342,986,205.40 × 4,460,365,788.45 - Step 4: Simplify right side
8,219,555,220.81x = 50,593,867,609,426,444,288 - Step 5: Solve for x
x = 50,593,867,609,426,444,288/8,219,555,220.81 - Step 6: Final answer
x = 6,155,304,788.43
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.