Finding the Fourth Proportional to 517,107,777.80, 775,661,666.70 and 517,107,777.80
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Solution
The fourth proportional to 517,107,777.80, 775,661,666.70 and 517,107,777.80 is: 775,661,666.70
Step by Step Solution
- Step 1: Write the proportion equation
517,107,777.80 : 775,661,666.70 = 517,107,777.80 : x - Step 2: Convert to fraction form
517,107,777.80/775,661,666.70 = 517,107,777.80/x - Step 3: Cross multiply
517,107,777.80x = 775,661,666.70 × 517,107,777.80 - Step 4: Simplify right side
517,107,777.80x = 401,100,680,791,881,280 - Step 5: Solve for x
x = 401,100,680,791,881,280/517,107,777.80 - Step 6: Final answer
x = 775,661,666.70
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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.