Finding the Fourth Proportional to 840,346,745.10, 1,260,300,102.26 and 249,977,919.99
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Solution
The fourth proportional to 840,346,745.10, 1,260,300,102.26 and 249,977,919.99 is: 374,901,432.01
Step by Step Solution
- Step 1: Write the proportion equation
840,346,745.10 : 1,260,300,102.26 = 249,977,919.99 : x - Step 2: Convert to fraction form
840,346,745.10/1,260,300,102.26 = 249,977,919.99/x - Step 3: Cross multiply
840,346,745.10x = 1,260,300,102.26 × 249,977,919.99 - Step 4: Simplify right side
840,346,745.10x = 315,047,198,126,139,136 - Step 5: Solve for x
x = 315,047,198,126,139,136/840,346,745.10 - Step 6: Final answer
x = 374,901,432.01
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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.