Finding the Fourth Proportional to 251,768,061,030.24, 347,459,729,917.68 and 143,385,740,995.68
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Solution
The fourth proportional to 251,768,061,030.24, 347,459,729,917.68 and 143,385,740,995.68 is: 197,883,602,219.19
Step by Step Solution
- Step 1: Write the proportion equation
251,768,061,030.24 : 347,459,729,917.68 = 143,385,740,995.68 : x - Step 2: Convert to fraction form
251,768,061,030.24/347,459,729,917.68 = 143,385,740,995.68/x - Step 3: Cross multiply
251,768,061,030.24x = 347,459,729,917.68 × 143,385,740,995.68 - Step 4: Simplify right side
251,768,061,030.24x = 49,820,770,840,405,386,199,040 - Step 5: Solve for x
x = 49,820,770,840,405,386,199,040/251,768,061,030.24 - Step 6: Final answer
x = 197,883,602,219.19
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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.