Finding the Fourth Proportional to 734,014,562.70, 1,101,021,844.05 and 249,340,370.70
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Solution
The fourth proportional to 734,014,562.70, 1,101,021,844.05 and 249,340,370.70 is: 374,010,556.05
Step by Step Solution
- Step 1: Write the proportion equation
734,014,562.70 : 1,101,021,844.05 = 249,340,370.70 : x - Step 2: Convert to fraction form
734,014,562.70/1,101,021,844.05 = 249,340,370.70/x - Step 3: Cross multiply
734,014,562.70x = 1,101,021,844.05 × 249,340,370.70 - Step 4: Simplify right side
734,014,562.70x = 274,529,194,744,224,576 - Step 5: Solve for x
x = 274,529,194,744,224,576/734,014,562.70 - Step 6: Final answer
x = 374,010,556.05
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Double scale
Find fourth proportional to 734,014,563.70, 1,101,021,845.55 and 249,340,371.70
Similar ratio
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1.5x scale
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.