Finding the Fourth Proportional to 1,465,605,271.80, 2,198,407,907.70 and 496,256,887.80
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Solution
The fourth proportional to 1,465,605,271.80, 2,198,407,907.70 and 496,256,887.80 is: 744,385,331.70
Step by Step Solution
- Step 1: Write the proportion equation
1,465,605,271.80 : 2,198,407,907.70 = 496,256,887.80 : x - Step 2: Convert to fraction form
1,465,605,271.80/2,198,407,907.70 = 496,256,887.80/x - Step 3: Cross multiply
1,465,605,271.80x = 2,198,407,907.70 × 496,256,887.80 - Step 4: Simplify right side
1,465,605,271.80x = 1,090,975,066,390,111,616 - Step 5: Solve for x
x = 1,090,975,066,390,111,616/1,465,605,271.80 - Step 6: Final answer
x = 744,385,331.70
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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.