Finding the Fourth Proportional to 4,293,873,134.40, 6,440,809,701.60 and 1,840,458,043.20
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Solution
The fourth proportional to 4,293,873,134.40, 6,440,809,701.60 and 1,840,458,043.20 is: 2,760,687,064.80
Step by Step Solution
- Step 1: Write the proportion equation
4,293,873,134.40 : 6,440,809,701.60 = 1,840,458,043.20 : x - Step 2: Convert to fraction form
4,293,873,134.40/6,440,809,701.60 = 1,840,458,043.20/x - Step 3: Cross multiply
4,293,873,134.40x = 6,440,809,701.60 × 1,840,458,043.20 - Step 4: Simplify right side
4,293,873,134.40x = 11,854,040,020,030,312,448 - Step 5: Solve for x
x = 11,854,040,020,030,312,448/4,293,873,134.40 - Step 6: Final answer
x = 2,760,687,064.80
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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.