Finding the Fourth Proportional to 1,040,998,565.88, 1,561,440,372.12 and 761,166,241.14
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Solution
The fourth proportional to 1,040,998,565.88, 1,561,440,372.12 and 761,166,241.14 is: 1,141,707,335.40
Step by Step Solution
- Step 1: Write the proportion equation
1,040,998,565.88 : 1,561,440,372.12 = 761,166,241.14 : x - Step 2: Convert to fraction form
1,040,998,565.88/1,561,440,372.12 = 761,166,241.14/x - Step 3: Cross multiply
1,040,998,565.88x = 1,561,440,372.12 × 761,166,241.14 - Step 4: Simplify right side
1,040,998,565.88x = 1,188,515,698,810,823,168 - Step 5: Solve for x
x = 1,188,515,698,810,823,168/1,040,998,565.88 - Step 6: Final answer
x = 1,141,707,335.40
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.