Finding the Fourth Proportional to 84,018,341,610.11, 115,945,660,750.69 and 45,437,261,486.63
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Solution
The fourth proportional to 84,018,341,610.11, 115,945,660,750.69 and 45,437,261,486.63 is: 62,703,609,769.12
Step by Step Solution
- Step 1: Write the proportion equation
84,018,341,610.11 : 115,945,660,750.69 = 45,437,261,486.63 : x - Step 2: Convert to fraction form
84,018,341,610.11/115,945,660,750.69 = 45,437,261,486.63/x - Step 3: Cross multiply
84,018,341,610.11x = 115,945,660,750.69 × 45,437,261,486.63 - Step 4: Simplify right side
84,018,341,610.11x = 5,268,253,305,768,614,297,600 - Step 5: Solve for x
x = 5,268,253,305,768,614,297,600/84,018,341,610.11 - Step 6: Final answer
x = 62,703,609,769.12
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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.