Finding the Fourth Proportional to 1,560,389,403.05, 2,340,225,938.14 and 930,299,749.44
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Solution
The fourth proportional to 1,560,389,403.05, 2,340,225,938.14 and 930,299,749.44 is: 1,395,236,086.34
Step by Step Solution
- Step 1: Write the proportion equation
1,560,389,403.05 : 2,340,225,938.14 = 930,299,749.44 : x - Step 2: Convert to fraction form
1,560,389,403.05/2,340,225,938.14 = 930,299,749.44/x - Step 3: Cross multiply
1,560,389,403.05x = 2,340,225,938.14 × 930,299,749.44 - Step 4: Simplify right side
1,560,389,403.05x = 2,177,111,603,884,631,040 - Step 5: Solve for x
x = 2,177,111,603,884,631,040/1,560,389,403.05 - Step 6: Final answer
x = 1,395,236,086.34
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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.