Finding the Fourth Proportional to 1,309,174,614.68, 1,806,699,234.56 and 714,497,265.10
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Solution
The fourth proportional to 1,309,174,614.68, 1,806,699,234.56 and 714,497,265.10 is: 986,027,110.12
Step by Step Solution
- Step 1: Write the proportion equation
1,309,174,614.68 : 1,806,699,234.56 = 714,497,265.10 : x - Step 2: Convert to fraction form
1,309,174,614.68/1,806,699,234.56 = 714,497,265.10/x - Step 3: Cross multiply
1,309,174,614.68x = 1,806,699,234.56 × 714,497,265.10 - Step 4: Simplify right side
1,309,174,614.68x = 1,290,881,661,950,069,504 - Step 5: Solve for x
x = 1,290,881,661,950,069,504/1,309,174,614.68 - Step 6: Final answer
x = 986,027,110.12
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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.