Finding the Fourth Proportional to 1,699,808,679.12, 2,345,745,282.36 and 985,767,588.48
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Solution
The fourth proportional to 1,699,808,679.12, 2,345,745,282.36 and 985,767,588.48 is: 1,360,364,668.44
Step by Step Solution
- Step 1: Write the proportion equation
1,699,808,679.12 : 2,345,745,282.36 = 985,767,588.48 : x - Step 2: Convert to fraction form
1,699,808,679.12/2,345,745,282.36 = 985,767,588.48/x - Step 3: Cross multiply
1,699,808,679.12x = 2,345,745,282.36 × 985,767,588.48 - Step 4: Simplify right side
1,699,808,679.12x = 2,312,359,670,180,354,048 - Step 5: Solve for x
x = 2,312,359,670,180,354,048/1,699,808,679.12 - Step 6: Final answer
x = 1,360,364,668.44
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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.