Finding the Fourth Proportional to 2,242,021,476.90, 3,094,083,634.18 and 1,289,402,958.42
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Solution
The fourth proportional to 2,242,021,476.90, 3,094,083,634.18 and 1,289,402,958.42 is: 1,779,430,140.44
Step by Step Solution
- Step 1: Write the proportion equation
2,242,021,476.90 : 3,094,083,634.18 = 1,289,402,958.42 : x - Step 2: Convert to fraction form
2,242,021,476.90/3,094,083,634.18 = 1,289,402,958.42/x - Step 3: Cross multiply
2,242,021,476.90x = 3,094,083,634.18 × 1,289,402,958.42 - Step 4: Simplify right side
2,242,021,476.90x = 3,989,520,591,510,597,120 - Step 5: Solve for x
x = 3,989,520,591,510,597,120/2,242,021,476.90 - Step 6: Final answer
x = 1,779,430,140.44
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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.