Finding the Fourth Proportional to 1,087,926,249.36, 1,501,323,862.68 and 605,114,943.96
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Solution
The fourth proportional to 1,087,926,249.36, 1,501,323,862.68 and 605,114,943.96 is: 835,050,634.70
Step by Step Solution
- Step 1: Write the proportion equation
1,087,926,249.36 : 1,501,323,862.68 = 605,114,943.96 : x - Step 2: Convert to fraction form
1,087,926,249.36/1,501,323,862.68 = 605,114,943.96/x - Step 3: Cross multiply
1,087,926,249.36x = 1,501,323,862.68 × 605,114,943.96 - Step 4: Simplify right side
1,087,926,249.36x = 908,473,505,031,419,008 - Step 5: Solve for x
x = 908,473,505,031,419,008/1,087,926,249.36 - Step 6: Final answer
x = 835,050,634.70
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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.