Finding the Fourth Proportional to 477,942,395.70, 716,913,593.55 and 477,942,395.70
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Solution
The fourth proportional to 477,942,395.70, 716,913,593.55 and 477,942,395.70 is: 716,913,593.55
Step by Step Solution
- Step 1: Write the proportion equation
477,942,395.70 : 716,913,593.55 = 477,942,395.70 : x - Step 2: Convert to fraction form
477,942,395.70/716,913,593.55 = 477,942,395.70/x - Step 3: Cross multiply
477,942,395.70x = 716,913,593.55 × 477,942,395.70 - Step 4: Simplify right side
477,942,395.70x = 342,643,400,411,183,040 - Step 5: Solve for x
x = 342,643,400,411,183,040/477,942,395.70 - Step 6: Final answer
x = 716,913,593.55
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Double scale
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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.