Finding the Fourth Proportional to 6,590,819,868.40, 9,086,676,652.92 and 4,756,118,453.20
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Solution
The fourth proportional to 6,590,819,868.40, 9,086,676,652.92 and 4,756,118,453.20 is: 6,557,197,946.56
Step by Step Solution
- Step 1: Write the proportion equation
6,590,819,868.40 : 9,086,676,652.92 = 4,756,118,453.20 : x - Step 2: Convert to fraction form
6,590,819,868.40/9,086,676,652.92 = 4,756,118,453.20/x - Step 3: Cross multiply
6,590,819,868.40x = 9,086,676,652.92 × 4,756,118,453.20 - Step 4: Simplify right side
6,590,819,868.40x = 43,217,310,507,214,422,016 - Step 5: Solve for x
x = 43,217,310,507,214,422,016/6,590,819,868.40 - Step 6: Final answer
x = 6,557,197,946.56
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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.