Finding the Fourth Proportional to 7,635,459,320.42, 10,536,768,709.44 and 4,420,504,887.74
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Solution
The fourth proportional to 7,635,459,320.42, 10,536,768,709.44 and 4,420,504,887.74 is: 6,100,201,130.86
Step by Step Solution
- Step 1: Write the proportion equation
7,635,459,320.42 : 10,536,768,709.44 = 4,420,504,887.74 : x - Step 2: Convert to fraction form
7,635,459,320.42/10,536,768,709.44 = 4,420,504,887.74/x - Step 3: Cross multiply
7,635,459,320.42x = 10,536,768,709.44 × 4,420,504,887.74 - Step 4: Simplify right side
7,635,459,320.42x = 46,577,837,581,065,412,608 - Step 5: Solve for x
x = 46,577,837,581,065,412,608/7,635,459,320.42 - Step 6: Final answer
x = 6,100,201,130.86
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.