Finding the Fourth Proportional to 2,089,438,109.76, 3,130,713,403.92 and 1,213,580,826.48
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Solution
The fourth proportional to 2,089,438,109.76, 3,130,713,403.92 and 1,213,580,826.48 is: 1,818,371,045.52
Step by Step Solution
- Step 1: Write the proportion equation
2,089,438,109.76 : 3,130,713,403.92 = 1,213,580,826.48 : x - Step 2: Convert to fraction form
2,089,438,109.76/3,130,713,403.92 = 1,213,580,826.48/x - Step 3: Cross multiply
2,089,438,109.76x = 3,130,713,403.92 × 1,213,580,826.48 - Step 4: Simplify right side
2,089,438,109.76x = 3,799,373,760,201,247,744 - Step 5: Solve for x
x = 3,799,373,760,201,247,744/2,089,438,109.76 - Step 6: Final answer
x = 1,818,371,045.52
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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.