Finding the Fourth Proportional to 7,666,499,720.14, 11,476,184,655.84 and 6,535,505,559.76
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Solution
The fourth proportional to 7,666,499,720.14, 11,476,184,655.84 and 6,535,505,559.76 is: 9,783,169,811.65
Step by Step Solution
- Step 1: Write the proportion equation
7,666,499,720.14 : 11,476,184,655.84 = 6,535,505,559.76 : x - Step 2: Convert to fraction form
7,666,499,720.14/11,476,184,655.84 = 6,535,505,559.76/x - Step 3: Cross multiply
7,666,499,720.14x = 11,476,184,655.84 × 6,535,505,559.76 - Step 4: Simplify right side
7,666,499,720.14x = 75,002,668,623,074,721,792 - Step 5: Solve for x
x = 75,002,668,623,074,721,792/7,666,499,720.14 - Step 6: Final answer
x = 9,783,169,811.65
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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.