Finding the Fourth Proportional to 1,699,808,684.28, 2,345,745,289.49 and 985,767,593.67
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Solution
The fourth proportional to 1,699,808,684.28, 2,345,745,289.49 and 985,767,593.67 is: 1,360,364,675.60
Step by Step Solution
- Step 1: Write the proportion equation
1,699,808,684.28 : 2,345,745,289.49 = 985,767,593.67 : x - Step 2: Convert to fraction form
1,699,808,684.28/2,345,745,289.49 = 985,767,593.67/x - Step 3: Cross multiply
1,699,808,684.28x = 2,345,745,289.49 × 985,767,593.67 - Step 4: Simplify right side
1,699,808,684.28x = 2,312,359,689,378,365,952 - Step 5: Solve for x
x = 2,312,359,689,378,365,952/1,699,808,684.28 - Step 6: Final answer
x = 1,360,364,675.60
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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.