Finding the Fourth Proportional to 525,149,455.80, 787,724,183.70 and 525,149,455.80
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Solution
The fourth proportional to 525,149,455.80, 787,724,183.70 and 525,149,455.80 is: 787,724,183.70
Step by Step Solution
- Step 1: Write the proportion equation
525,149,455.80 : 787,724,183.70 = 525,149,455.80 : x - Step 2: Convert to fraction form
525,149,455.80/787,724,183.70 = 525,149,455.80/x - Step 3: Cross multiply
525,149,455.80x = 787,724,183.70 × 525,149,455.80 - Step 4: Simplify right side
525,149,455.80x = 413,672,926,390,554,240 - Step 5: Solve for x
x = 413,672,926,390,554,240/525,149,455.80 - Step 6: Final answer
x = 787,724,183.70
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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.