Finding the Fourth Proportional to 76,937,446,277.20, 115,406,169,415.80 and 76,937,446,277.20
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Solution
The fourth proportional to 76,937,446,277.20, 115,406,169,415.80 and 76,937,446,277.20 is: 115,406,169,415.80
Step by Step Solution
- Step 1: Write the proportion equation
76,937,446,277.20 : 115,406,169,415.80 = 76,937,446,277.20 : x - Step 2: Convert to fraction form
76,937,446,277.20/115,406,169,415.80 = 76,937,446,277.20/x - Step 3: Cross multiply
76,937,446,277.20x = 115,406,169,415.80 × 76,937,446,277.20 - Step 4: Simplify right side
76,937,446,277.20x = 8,879,055,959,485,554,098,176 - Step 5: Solve for x
x = 8,879,055,959,485,554,098,176/76,937,446,277.20 - Step 6: Final answer
x = 115,406,169,415.80
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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.