Finding the Fourth Proportional to 2,726,312,911.17, 4,083,742,402.87 and 1,729,821,008.53
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Solution
The fourth proportional to 2,726,312,911.17, 4,083,742,402.87 and 1,729,821,008.53 is: 2,591,097,805.75
Step by Step Solution
- Step 1: Write the proportion equation
2,726,312,911.17 : 4,083,742,402.87 = 1,729,821,008.53 : x - Step 2: Convert to fraction form
2,726,312,911.17/4,083,742,402.87 = 1,729,821,008.53/x - Step 3: Cross multiply
2,726,312,911.17x = 4,083,742,402.87 × 1,729,821,008.53 - Step 4: Simplify right side
2,726,312,911.17x = 7,064,143,401,909,308,416 - Step 5: Solve for x
x = 7,064,143,401,909,308,416/2,726,312,911.17 - Step 6: Final answer
x = 2,591,097,805.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.