Finding the Fourth Proportional to 1,699,808,685.28, 2,345,745,290.87 and 985,767,594.67
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Solution
The fourth proportional to 1,699,808,685.28, 2,345,745,290.87 and 985,767,594.67 is: 1,360,364,676.99
Step by Step Solution
- Step 1: Write the proportion equation
1,699,808,685.28 : 2,345,745,290.87 = 985,767,594.67 : x - Step 2: Convert to fraction form
1,699,808,685.28/2,345,745,290.87 = 985,767,594.67/x - Step 3: Cross multiply
1,699,808,685.28x = 2,345,745,290.87 × 985,767,594.67 - Step 4: Simplify right side
1,699,808,685.28x = 2,312,359,693,089,399,296 - Step 5: Solve for x
x = 2,312,359,693,089,399,296/1,699,808,685.28 - Step 6: Final answer
x = 1,360,364,676.99
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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.