Finding the Fourth Proportional to 1,783,299,570.66, 2,460,885,987.09 and 990,396,625.68
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Solution
The fourth proportional to 1,783,299,570.66, 2,460,885,987.09 and 990,396,625.68 is: 1,366,709,899.95
Step by Step Solution
- Step 1: Write the proportion equation
1,783,299,570.66 : 2,460,885,987.09 = 990,396,625.68 : x - Step 2: Convert to fraction form
1,783,299,570.66/2,460,885,987.09 = 990,396,625.68/x - Step 3: Cross multiply
1,783,299,570.66x = 2,460,885,987.09 × 990,396,625.68 - Step 4: Simplify right side
1,783,299,570.66x = 2,437,253,177,797,132,288 - Step 5: Solve for x
x = 2,437,253,177,797,132,288/1,783,299,570.66 - Step 6: Final answer
x = 1,366,709,899.95
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.